CN104112991A - Modular transformer substation system - Google Patents
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- CN104112991A CN104112991A CN201410386771.9A CN201410386771A CN104112991A CN 104112991 A CN104112991 A CN 104112991A CN 201410386771 A CN201410386771 A CN 201410386771A CN 104112991 A CN104112991 A CN 104112991A
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Abstract
The invention provides a modular transformer substation system which comprises a high-voltage switch module, a main transformer module, a medium-voltage switch module, an integrated automation module and a medium-voltage matching module, wherein the high-voltage switch module, the main transformer module, the medium-voltage switch module, the integrated automation module and the medium-voltage matching module are mounted in a split manner. By adopting the technical scheme, the problems that the construction period is long and the workload is relatively high since electrical devices are transported to the installation site in a scattered manner before installation and debugging in the related technologies are solved, the workload of field construction and debugging is reduced, and the construction period of the transformer substation is shortened.
Description
Technical field
The present invention relates to the communications field, more particularly, relate to a kind of modular transformer substation system.
Background technology
From the construction of domestic 35kV and above transformer station, due to the difference of Regional Economic development, 35kV and above Substation Capacity Scale and mode are had nothing in common with each other.For unified transformer substation construction standard, unified equipment code, facilitate Bidding Invition, facilitate operation maintenance, increase work efficiency, reduce transformer substation construction and operating cost, State Grid Corporation of China has released " State Grid Corporation of China's project of transmitting and converting electricity modular design " (hereinafter to be referred as modular design) in December, 2005, in modular design, 35kV and above transformer station are divided into outdoor substation by arrangement, indoor substation and semi-underground transformer station three major types, these three kinds of fundamental modes that pattern is present stage transformer substation construction, be applicable to the different places such as rural area, city, its construction mode is and disperses various electric equipments to transport to behind scene, carry out respectively again Installation and Debugging, make the site operation cycle longer, workload is larger.
It seems from the development trend of power equipment technology in recent years, the development of transformer substation construction forward prefabrication formula modularization, since 10kV container-type substation puts goods on the market, simple field assembled transformer station form is more and more subject to user's favor.The trend of present stage 110kV and following distribution is obvious gradually, 35kV and above transformer substation construction quantity are more and more, and simple, reliable, the modular transformer substation construction mode fast of building a station will certainly cause user's concern and become the main flow of transformer substation construction from now on.
For in correlation technique, need various electric equipments to disperse transport to erecting bed after carry out long construction period and the larger problem of workload that Installation and Debugging cause, effective solution is not yet proposed at present.
Summary of the invention
The invention provides a kind of modular transformer substation system, at least to address the above problem.
According to an aspect of the present invention, a kind of modular transformer substation system is provided, comprise: high-voltage switch gear module, main transformer module, Medium voltage switch or circuit breaker module, comprehensive automation module, in be press-fitted set of modules, wherein, described high-voltage switch gear module, main transformer module, Medium voltage switch or circuit breaker module, comprehensive automation module and in to be press-fitted set of modules be split type installation.
Preferably, described comprehensive automation module by secondary cable respectively with described high-voltage switch gear module, main transformer module, Medium voltage switch or circuit breaker module, in be press-fitted set of modules and be connected; Described main transformer module is connected with described high-voltage switch gear module, described Medium voltage switch or circuit breaker module respectively by a cable; Described Medium voltage switch or circuit breaker module, by cable with described in be press-fitted set of modules and be connected.
Preferably, described high-voltage switch gear module, described main transformer module, described Medium voltage switch or circuit breaker module, described comprehensive automation module, be press-fitted set of modules in described and be positioned at respectively an independently box house, each independently described casing form the casing of described modular transformer substation system.
Preferably, described each independently the shell of casing comprise successively from the inside to the outside: Paper-faced gyp, steelframe structure, reinforcement material, moisture-proof sealing film, insulation material, unsaturated zone, composite insulation boards.
Preferably, described reinforcement material is Europe deals.
Preferably, described composite insulation boards comprises: metallic plate and heat-insulation material.
Preferably, a described cable and/or described secondary cable are totally-enclosed hermetically sealed cable.
Preferably, described high-voltage switch gear module comprise following one of at least: metal armored withdrawal-type switching device, fixed type air insulated switching installation, stationary gas insulated switching installation.
Preferably, described Medium voltage switch or circuit breaker module comprise following one of at least: SVI all insulation totally-enclosed solid insulation switch cabinet, PV-12 metal armoring draw out switchgear.
By the present invention, adopt by transformer substation system be divided into high-voltage switch gear module, main transformer module, Medium voltage switch or circuit breaker module, comprehensive automation module, in be press-fitted five modules of set of modules, and the technical scheme of above-mentioned five module partial installations, solved in correlation technique, need the various electric equipments to disperse transport to erecting bed after carry out long construction period and the larger problem of workload that Installation and Debugging cause, reduce the workload of on-the-spot construction and debugging, shortened the construction period of transformer station.
Brief description of the drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is according to the structured flowchart of the modular transformer substation system of the embodiment of the present invention;
Fig. 2 is the structured flowchart again according to the modular transformer substation system of the embodiment of the present invention;
Fig. 3 is according to the structural representation of the modular transformer substation system casing of the embodiment of the present invention;
Fig. 4 is the overall structure block diagram of modular transformer substation system according to the preferred embodiment of the invention.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, or understand by implementing the present invention.Object of the present invention and other advantages can be realized and be obtained by specifically noted structure in write specification, claims and accompanying drawing.
The embodiment of the present invention provides a kind of modular transformer substation system, and Fig. 1 is according to the structured flowchart of the modular transformer substation system of the embodiment of the present invention, and as shown in Figure 1, this modular transformer substation system 10 comprises:
High-voltage switch gear module 102, main transformer module 104, Medium voltage switch or circuit breaker module 106, comprehensive automation module 108, in be press-fitted set of modules 110, wherein, high-voltage switch gear module 102, main transformer module 104, Medium voltage switch or circuit breaker module 106, comprehensive automation module 108 and in be press-fitted set of modules 110 for split type installation.
The above-mentioned modular transformer substation system that the embodiment of the present invention provides, by traditional transformer substation system is divided into high-voltage switch gear module 102, main transformer module 104, Medium voltage switch or circuit breaker module 106, comprehensive automation module 108, in be press-fitted 110 5 modules of set of modules, and before dispatching from the factory, entirety is debugged qualified, whole Transporting, transports scene to.Thereby the batch production that has realized transformer station is produced.Transformer station is shortened the production cycle greatly, deliver goods convenient, rapid.
In above-mentioned modular transformer substation system, as shown in Figure 2, comprehensive automation module 108 by secondary cable (in figure for mark) respectively with high-voltage switch gear module 102, main transformer module 104, Medium voltage switch or circuit breaker module 106, in be press-fitted set of modules 110 and be connected; Main transformer module 104 is connected with high-voltage switch gear module 102, Medium voltage switch or circuit breaker module 106 respectively by a cable (being mark in figure); Medium voltage switch or circuit breaker module 106, by cable with in be press-fitted set of modules 110 and be connected.
Wherein, high-voltage switch gear module 102: mainly refer to 35KV and above Power entry module in the middle of transformer station, in the middle of transformer station for effects such as high voltage electric energy acceptance, distribution, control or protections;
Main transformer module 104: exactly low-voltage is become to high voltage, or high voltage becomes low-voltage.For example high pressure 35KV is become to middle pressure 10KV;
Medium voltage switch or circuit breaker module 106: mainly refer to 10KV Power entry module in the middle of transformer station, in the middle of transformer station for effects such as electric energy acceptance, distribution, control or protections;
Comprehensive automation module 108: the integrated automation of transformation stations is the complex art of multi-specialized property, it is taking microcomputer as basis, realize the Discussions on Overall Retrofit of the relaying protection traditional to transformer station, control mode, measurement means, communication and management mode, realize the once change of Regulation, be summed up and can be divided into following several function group: 1. control, function for monitoring; 2. automatic control function; 3. meter meter function; 4. relay protection function; 5. function relevant to relaying protection; 6. interface function; 7. systemic-function;
In be press-fitted set of modules 110: mainly comprise 10KV capacitance arrangement, arc-extinguishing harmonic-eliminating configuration etc., in order to improve the quality of power supply, improve the servicing unit that transformer is exerted oneself.
Transport to faster erecting bed and protect above-mentioned transformer substation system in order better to realize five modules that module transformer station is divided; high-voltage switch gear module 102, main transformer module 104, Medium voltage switch or circuit breaker module 106, comprehensive automation module 108, in be press-fitted set of modules 110 and be positioned at respectively an independently box house, each is casing composition modular transformer substation system 10 independently.
The casing that the embodiment of the present invention provides can ensure that casing has outstanding antidetonation, wind resistance, as shown in Figure 3, casing comprises from the inside to the outside successively: Paper-faced gyp 30, steelframe structure 32, reinforcement material 34, moisture-proof sealing film 36, insulation material 38, unsaturated zone 40, composite insulation boards 42, alternatively, reinforcement material 34 can be Europe deals, composite insulation boards 42 can be metal crimp flower face composite insulation boards, and this composite insulation boards 42 comprises: metallic plate and heat-insulation material.
The embodiment of the present invention is the further improvement of technique scheme, also be provided with Temperature Humidity Sensor at box house, but when the temperature of described Temperature Humidity Sensor instruction and/or humidity exceed a certain threshold value, initiate alarm signal, further, video monitoring is all installed inside and outside casing, inside plants completes video camera perforate and installation wiring, light control wiring, Water immersion detector, Temperature Humidity Sensor, the installation wiring of the equipment such as dual Kam probe, and final formation and secondary device chamber frequency image monitoring system host interface, make whole station frequency image monitoring system become net, become autonomous system, thereby realize the monitoring to operation inside and outside casing and operation, realize the function of security protection.
In order to make the convenient and reliable connection of above-mentioned modular transformer substation system, cable and/or secondary cable in above-described embodiment are totally-enclosed hermetically sealed cable.
Alternatively, the prefabricated box house that is installed on of high-voltage switch gear module 102, produce and debugged in inside plants, on-the-spot integral hoisting, it comprise following one of at least: metal armored withdrawal-type switching device, fixed type air insulated switching installation, stationary gas insulated switching installation; The prefabricated box house that is installed on of Medium voltage switch or circuit breaker module 106, complete in inside plants Installation and Debugging, combining to protect disperses group screen to install, it comprise following one of at least: all insulation totally-enclosed solid insulation switch cabinet (solid switch vacuum bubbles Intelligence, referred to as SVI), PV-12 metal armoring draw out switchgear.
In sum, the embodiment of the present invention provides a kind of novel intelligent prefabricated modular transformer substation, modular transformer substation has been proposed to a kind of new model of transformer substation construction, it is by the 35kV of transformer station controller switching equipment, 10KV controller switching equipment prefabricated completing in factory, and debugs respectively.When on-the-spot installation, each module adopts a cable to connect, and adopt secondary cable and communication line to be connected comprehensive automation module and other module, then carry out entirety debugging, can complete the construction of transformer station, adopt this kind of pattern can reduce the workload of on-the-spot construction and debugging, shorten the construction period of transformer station; Transformer station's entirety all insulation, hermetically sealed, improves reliability of operation, and coordinates with surrounding environment, easily selects to build place; Save the floor space of transformer station; Reduce the overall cost of transformer station.
It should be noted that, involved high pressure in the involved high-voltage switch gear module 102 of the embodiment of the present invention, those skilled in the art is understood as 35KV (40.5KV) switch module, Medium voltage switch or circuit breaker module 106, and those skilled in the art is understood as 12KV switch module.
Be that modular transformer substation system in above-described embodiment can be understood as be that first and second equipment of 12kV is supporting by unit, be assembled in switch cubicle.40.5kV side protective device is concentrated group screen, and high-tension switch cabinet, integrated automation device are combined, and is placed in same casing the complete power distribution equipment that supplies of becoming one.In transformer station, without civil engineering, floor space is dwindled greatly.Can realize unattended requirement, investment is reasonable, all complete design, manufacture, installation and the internal electric wiring in factory of 40.5kV, 12kV equipment and the comprehensive automation system of transformer substation of transformer station.Before dispatching from the factory, qualified, the whole Transporting of entirety debugging, transports scene to.Thereby the batch production that has realized transformer station is produced.Transformer station is shortened the production cycle greatly, deliver goods convenient, rapid, the volume of transformer station is less, floor space is dwindled greatly, has great advantage, and installation is convenient.Work on the spot only need to complete the construction of transformer station box concrete pedestal.After casing is in place, only need be by cable of 12kV and 40.5kV side secondary singal access relevant device.Greatly reduce the workload of site operation.
For the overall structure of structure and transformer substation system of the casing providing in above-described embodiment is better provided, describe below in conjunction with preferred embodiment, but do not limit the embodiment of the present invention, Fig. 4 is the overall structure block diagram of modular transformer substation system according to the preferred embodiment of the invention, as shown in Figure 4:
Require and feature according to domestic power distribution equipment, research and develop the casing of characteristic outdoor substation.This casing outer wall material employing metal embossing face composite insulation boards---it is to be composited by metal crimp card and the heat-insulation material of outside, to integrate environmental protection, high-strength light, sound-insulating and heat-insulating, the multi-functional prefabricated panels of water-proof fire-retardant, meeting the developing direction of industrialization, is the renewal product of environmental protection and energy saving decorative product aspect.The basic load-bearing of whole casing is to form with the skeleton of high strength shaped steel (I-steel) composition, ensures that casing has outstanding antidetonation, wind resistance.Whole body of wall is made up of materials such as metal embossing face composite insulation boards, unsaturated zone, moisture-proof sealing film, Europe deals, insulation material, steel construction (thin-walled square tube), Thistle boards.Therefore there is remarkable air-tightness and thermal insulation, can effectively prevent the generation of indoor generation dewfall phenomenon, more do not worry that long-term use can cause casing rotten, has dustproof, anticorrosion, moistureproof, fire protecting performance simultaneously.
Body structure:
Antifouling paint requires: aqueous inorganic zinc rich primer 70～80 μ m (zinc content must not lower than 80%), and epoxy intermediate coat 70～80 μ m, acrylic acid polyamine finish paint twice 60～70 μ m, dry film gross thickness is not less than 220 μ m.Hot dip galvanizing process: require zinc-plated should be even, zinc adhesion amount and thickness requirement: when plating piece thickness <5mm, zinc adhesion amount >=460g/m2, zinc film gross thickness >=65 μ m; When plating piece thickness >=5mm, zinc adhesion amount >=610g/m2, zinc film gross thickness >=90 μ m.
Body structure feature is as follows:
1) structural design considers wind load, geological process, meets wind resistance (agent structure and building enclosure) and shockproof requirements;
2) structural design considers roofing maintenance load, meets the requirement of upper people's maintenance;
3) casing adopts steel frame form, and internodal connection adopts welding or bolt to connect.All steel members take into full account the meteorological condition of this engineering site, take reliable anti-corrosion measure.
4) casing overall structure has enough rigidity and intensity, guarantees indeformable, not damaged in lifting, transport, installation.Prepackage type converting station housing should be able to tolerate the effect of mechanical stress.
5) structural design takes into full account that cabinet door window hole is to the weakening the influence of body structure, and correspondingly takes reliable reinforcement measure.
6) casing cladding panel is selected metal crimp card, and it is fixed that metope pattern requires with municipal administration, ensures not need in designed service life to change or carry out large-scale maintenance.Material meets the following conditions:
7) fire line requires: fire endurance grade secondary needs to provide the fire resistance test report through fire-fighting certification simultaneously.
8) life requirement: should adopt an effective measure, improve the durability of casing, postpone the maintenance period of casing, reduce maintenance workload.Service life, requirement reached more than 30 years.
9) rigidity requirement: meet the requirements such as design and lifting, transport, installation.
Box house environment:
Box house provides clean and tidy, a comfortable operational environment.Box house should be able to be effectively rainproof, moistureproof, dustproof.
Ground: adopt herringbone steel plate plastic-blasting shellac varnish, former plate thickness 3mm, spray 2mm plastic cement, plastic cement color adopts grass green, and cable perforating position hole should have tight moistureproof close measure, to prevent that condensation from producing, harm device security.
Sidewall and top board: preset cabin thickness of wall body is 100 or 120mm, and employing fibrous plaster is interior trim are fire-retardant rock cotton board in the middle of body of wall.Top board should be accomplished waterproof, antiseepage, and should have the waterproof gradient.
Cover plate: door assembly with hinge and glass in right hand and left flip plate need be set at cable trough place, and gap is no more than 1mm, and width is identical with switch cubicle, and securing cover plate bolt should be concordant with ground,, switch cubicle and the fixing channel-section steel of protection cabinet should 2～3mm above ground level.
Operating corridor: box house is longitudinally established operating corridor, corridor arranges in conjunction with cable trough considers cable laying and convenient inspection.
Lighting: normal illumination is set top, corridor and emergency lighting facility is maked an inspection tour and safeguards to facilitate, lighting form, illumination and highly all reach relative national standards, each lighting switch is arranged at doorway place, convenient control, light fixture adopts ceiling type LED light fixture, banded uninterrupted, normal illumination and emergence lighting lamp ratio are pressed 3:1; Emergency lighting loop light fixture carries battery module.Switch panel is arranged at convenient operation place, doorway, bottom is liftoff 1.3m, and the liftoff 0.3m in socket bottom, adopts secretly and applies.Light distribution box adopts embedded installation, one of quantity, bottom is liftoff 1.5m.In lighting case, all elements adopt ABB product.
Trough: at box house, trough is set, as the access of the AC line such as air-conditioning, illumination.The each cable cabling of box house is attractive in appearance, without obviously exposing vestige; Joint cable adopts aviation plug, joint optical cable to adopt prefabricated optical cable to connect, and meets on-the-spot rapid construction.
Near dry fire extinguisher: fire extinguisher is arranged on cleaning door, is convenient to attendant and takes, and suppresses urgent accident;
Ventilation: preset cabin domestic demand arranges accident exhaust blower, selects Jiangsu Ke Hui product, and fan outlet is joined mechanical interlocking blinds, adopts stainless steel.
Supervisory control system: video monitoring is all installed inside and outside casing, inside plants completes installation wiring, and final the formation and secondary device chamber frequency image monitoring system host interface of the equipment such as video camera perforate and installation wiring, light control wiring, Water immersion detector, Temperature Humidity Sensor, dual Kam probe, make whole station frequency image monitoring system become net, become autonomous system, thereby realize the monitoring to operation inside and outside casing and operation, realize the function of security protection.
Service chamber: adopt in casing half built-in to install, one of quantity, bottom is liftoff 1.5m.In service chamber, all elements adopt ABB product.
Near heating and ventilating equipment: only consider suspension type industrial air-conditioning is set, off-premises station is arranged on outdoor isolated footing, and condenser pipe secretly buries outdoor basis.
Rain pipe is PVC material, and apart from wall 20mm, clip is stainless steel.
The degree of protection of casing: in switch-box, primary equipment adopts solid switch equipment, and the degree of protection of switch cubicle is not less than IP6X.Casing volume degree of protection is not less than IP54X, and the degree of protection of Maintenance and Repair passage is not less than IP3X.
Therefore, the prefabricated box of intelligent prefabricated modular transformer substation has unique structure, can carry interior distribution equipment, makes it to realize prepackage function, whole Transporting, on-the-spot integral hoisting, and there is the feature of good looking appearance.
In sum, the embodiment of the present invention has realized following beneficial effect: it has changed the traditional approach of transformer substation construction, reduce the workload of on-the-spot construction and debugging, the construction period that shortens transformer station, has promoted comprehensive raising of substation operation level, and the technical merit of transformer station and safe and stable operation level are brought up to new level, realize modularization of product design, the batch production of production process, field erected simplification, meets a station of customer requirement.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a modular transformer substation system, is characterized in that, comprising: high-voltage switch gear module, main transformer module, Medium voltage switch or circuit breaker module, comprehensive automation module, in be press-fitted set of modules, wherein,
Described high-voltage switch gear module, described main transformer module, described Medium voltage switch or circuit breaker module, described comprehensive automation module and described in to be press-fitted set of modules be split type installation.
2. system according to claim 1, is characterized in that,
Described comprehensive automation module by secondary cable respectively with described high-voltage switch gear module, main transformer module, Medium voltage switch or circuit breaker module, in be press-fitted set of modules and be connected;
Described main transformer module is connected with described high-voltage switch gear module, described Medium voltage switch or circuit breaker module respectively by a cable;
Described Medium voltage switch or circuit breaker module, by cable with described in be press-fitted set of modules and be connected.
3. system according to claim 1, it is characterized in that, described high-voltage switch gear module, described main transformer module, described Medium voltage switch or circuit breaker module, described comprehensive automation module, be press-fitted set of modules in described and be positioned at respectively an independently box house, each independently described casing form the casing of described modular transformer substation system.
4. system according to claim 3, is characterized in that,
Described each independently the shell of casing comprise successively from the inside to the outside: Paper-faced gyp, steelframe structure, reinforcement material, moisture-proof sealing film, insulation material, unsaturated zone, composite insulation boards.
5. system according to claim 4, is characterized in that, described reinforcement material is Europe deals.
6. system according to claim 3, is characterized in that, described composite insulation boards comprises: metallic plate and heat-insulation material.
7. according to the system described in claim 3-6 any one, it is characterized in that, be also provided with Temperature Humidity Sensor at described box house.
8. according to the system described in claim 1-6 any one, it is characterized in that, a described cable and/or described secondary cable are totally-enclosed hermetically sealed cable.
9. according to the system described in claim 1-6 any one, it is characterized in that, described high-voltage switch gear module comprise following one of at least: metal armored withdrawal-type switching device, fixed type air insulated switching installation.
10. according to the system described in claim 1-6 any one, it is characterized in that, described Medium voltage switch or circuit breaker module comprise following one of at least: all insulation totally-enclosed solid insulation switch cabinet, metal armoring draw out switchgear.
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| CN201410386771.9A CN104112991A (en) | 2014-08-07 | 2014-08-07 | Modular transformer substation system |
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| CN201410386771.9A CN104112991A (en) | 2014-08-07 | 2014-08-07 | Modular transformer substation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108075362A (en) * | 2017-12-20 | 2018-05-25 | 无锡固亚德电力设备有限公司 | A kind of multifunctional precast cabin structure |
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| CN101150246B (en) * | 2006-09-22 | 2011-03-16 | 北京科锐北方科技发展有限公司 | 110kV and higher modular transformer substation and its construction method |
| CN204391537U (en) * | 2014-08-07 | 2015-06-10 | 北京杰远电气有限公司 | Modular transformer substation system |
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| CN101150246B (en) * | 2006-09-22 | 2011-03-16 | 北京科锐北方科技发展有限公司 | 110kV and higher modular transformer substation and its construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108075362A (en) * | 2017-12-20 | 2018-05-25 | 无锡固亚德电力设备有限公司 | A kind of multifunctional precast cabin structure |
| CN108075362B (en) * | 2017-12-20 | 2024-05-28 | 无锡固亚德电力设备有限公司 | Multifunctional prefabricated cabin structure |
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Application publication date: 20141022 |