CN108374566B - Repairing process for leakage water on back water surface - Google Patents

Repairing process for leakage water on back water surface Download PDF

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Publication number
CN108374566B
CN108374566B CN201810119058.6A CN201810119058A CN108374566B CN 108374566 B CN108374566 B CN 108374566B CN 201810119058 A CN201810119058 A CN 201810119058A CN 108374566 B CN108374566 B CN 108374566B
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water
waterproof
parts
coating
adopting
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CN108374566A (en
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刘志宏
许奕钊
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Xiamen DrWaterproof Building Engineering Co ltd
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Xiamen DrWaterproof Building Engineering Co ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00Working measures on existing buildings
    • E04G23/02Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/04Portland cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/06Aluminous cements
    • C04B28/065Calcium aluminosulfate cements, e.g. cements hydrating into ettringite
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/34Filling pastes
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02Non-macromolecular additives
    • C09J11/04Non-macromolecular additives inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/08Macromolecular additives
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66Sealings
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00637Uses not provided for elsewhere in C04B2111/00 as glue or binder for uniting building or structural materials
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • C04B2111/27Water resistance, e.g. waterproof or water-repellant materials
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/72Repairing or restoring existing buildings or building materials
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24Acids; Salts thereof
    • C08K3/26Carbonates; Bicarbonates
    • C08K2003/265Calcium, strontium or barium carbonate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/14Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16Fibres; Fibrils

Abstract

The invention discloses a repairing process for leakage water on a back water surface, which comprises the following steps: firstly, cutting a brick wall built on a back water surface wall body to form a construction part; then coating an interface waterproof agent; planting bars between the upper brick body and the lower concrete floor at the construction part; pouring expansion impervious concrete; after curing, chiseling a V-shaped groove at the internal corner part; then coating an interface waterproof agent; the V-shaped groove is sealed by waterproof sealant; the internal corner is sealed by adopting repair mortar in a reinforcing way and is in an arc-shaped slope; then brushing a first waterproof coating on the back surface; an anti-crack polyester cloth is additionally arranged at the joint part of the internal corner and the wall body at the top; painting a second waterproof coating on the back surface; painting and leveling by adopting repair mortar; finally, paving the ceramic tiles by adopting wet mortar after scraping ceramic tile glue on the ground part; the wall surface part is screeded and leveled by adopting exterior wall putty coating. The invention solves the problem of water leakage on the back water surface by using various waterproof materials and combining the process through structural design.

Description

Repairing process for leakage water on back water surface
Technical Field
The invention relates to the field of constructional engineering, in particular to a process for repairing seepage water on a back water surface.
Background
The internal corner of the wall body is a special part which is easy to leak, and the reason for the water leakage is mainly as follows:
the method mainly comprises the steps of overlarge deformation of a building, exceeding an allowable deformation range, expansion with heat and contraction with cold and uneven settlement of a foundation.
And the internal corners of the wall body can be rapidly displaced in the construction process, so that the waterproof failure is caused.
And thirdly, as the concrete is not compacted when poured, phenomena such as looseness, dog holes, honeycombs and the like are generated, and a water leakage channel is formed.
Fourth, water leakage is caused by damage to waterproofness in construction.
It is important to note that the information disclosed in this background is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a repairing process for the leakage water on the back water surface, which can perform systematic leakage treatment.
The adopted technical scheme is as follows:
a repairing process for leakage water on a back water surface comprises the following steps:
s1, cutting a brick wall built by a back water surface wall, cutting off a brick wall with the height being 50-80mm higher than that of a decorative surface layer of a water surface ground, and cutting off 1/2-2/3 of the thickness of the brick wall to form a construction part;
s2, roughening the surface of the construction part; coating an interface waterproof agent to treat a base layer;
s3, planting bars between the upper brick body and the lower concrete floor slab at the construction part;
s4, supporting a template, and reserving a grouting passage port; adopting a mortar grouting machine to pour expansion impervious concrete for structural reinforcement;
s5, removing the template, and curing and maintaining the pouring position;
s6, chiseling a V-shaped groove at the internal corner part;
s7, coating an interface waterproof agent on the surface of the construction part including the V-shaped groove;
s8, sealing the V-shaped groove by using waterproof sealant;
s9, reinforcing and blocking the internal corners by adopting repair mortar, wherein the internal corners are in an arc-shaped slope;
s10, brushing waterproof paint on the back surface;
s11, adding anti-crack polyester cloth at the joint of the internal corner and the wall body at the top;
s12, brushing a waterproof coating on the back water surface;
s13, plastering and leveling by adopting repair mortar;
s14, paving the ceramic tiles by adopting wet mortar after scraping ceramic tile glue on the ground part;
and S15, scraping and leveling the wall surface part by adopting external wall putty coating.
The inventor finds that the water prevention is mainly self-prevention of the structure, the water leakage shows that the structure is damaged, the water prevention is invalid, and therefore water enters the structural layer, if the structure is not repaired in time, the service life of the wall body can be shortened due to the fact that the structure is soaked in water for a long time, potential safety hazards are increased, and the later maintenance cost is high.
The invention firstly solves the core structure problem, not only reinforces the original structure, but also achieves the function of protecting and preventing leakage of a new structure, can prolong the service life and reduce the potential safety hazard.
Then, on the material, preferably, the waterproof sealant consists of the following components in parts by weight:
preferably, the repair mortar consists of the following components in parts by weight:
preferably, the waterproof coating on the back surface consists of powder and liquid, the weight ratio of the powder to the liquid is 2:1,
wherein the powder material comprises the following components in parts by weight:
the liquid material comprises the following components in parts by weight:
preferably, the tile glue consists of the following components in parts by weight:
preferably, the exterior wall putty coating comprises the following components in parts by weight:
in conclusion, the beneficial effects of the invention are as follows:
the invention solves the problem of water leakage on the back water surface by using various waterproof materials and combining the process through structural design.
Drawings
Fig. 1 is a schematic diagram of a repairing structure involved in a repairing process of the leakage water on the back water surface.
Fig. 2 is a partially enlarged view of a modified structure of fig. 1.
Detailed Description
The present invention will be described in detail with reference to the drawings and specific examples, but the use and purpose of these exemplary embodiments are merely to illustrate the present invention, not to limit the actual scope of the present invention in any way, and not to limit the scope of the present invention.
Referring to fig. 1 and 2, a repairing process for leakage water on a back water surface comprises the following steps:
s1, cutting a brick wall 10 built by a wall body on the back water surface, wherein the height of the cut brick wall is more than 80mm higher than that of a decorative surface layer of the ground on the upstream surface, and the height of the cut brick wall is 80mm in the embodiment; 1/2-2/3 of the thickness of the wall body is cut off, and the embodiment is 2/3; forming a construction part; to better understand the location of the construction site, an original structural layer 100 is shown in fig. 1.
S2, roughening the surface of the construction part; the interface waterproof agent used later can be better adhered and bonded on the surface; the coating can be cleaned by clear water, and then the interface waterproof agent 1 is coated to treat a base layer (namely the surface layer of a construction part) so as to avoid the hollowing phenomenon;
s3, planting bars 2 between the upper brick body and the lower concrete floor slab at the construction part; for example, steel bars with the diameter of phi 8@300 x 300mm are adopted;
s4, supporting a template, and reserving a grouting passage port; adopting a mortar grouting machine to pour the expansive impervious concrete 3 for structural reinforcement;
s5, removing the template, and curing and maintaining the pouring position;
s6, chiseling a V-shaped groove 4 at the internal corner part; for example 50mm wide and 30mm deep; then washing the mixture by using clear water;
s7, coating the interface waterproofing agent 1 on the surface of the construction part including the V-shaped groove 4 (coating for the second time); the coating interface waterproof agent has the functions of: not only plays a role in waterproofing, but also plays a role in bonding the base layer and the waterproof sealant, and avoids the phenomenon of hollowing. The interface waterproof agent of the step and the step S3 is composed of liquid and powder, wherein the powder is composed of the following components in parts by mass: 370 portions of waterproof glue solution and 450 portions; 1-2 parts of a defoaming agent; 1-2 parts of a preservative; 1-2 parts of a wetting agent; water 550 and 630 portions; the powder consists of the following components in parts by mass: 800 portions of cement and 1000 portions of cement; 400 portions of sand and 600 portions of sand; 400 portions of coarse whiting; 10-20 parts of acrylic rubber powder. Wherein the raw material components are all available in the market. When in use, the liquid and the powder are uniformly mixed. See further patent CN103030425B for interfacial water repellent.
S8, sealing the V-shaped groove with a waterproof sealant 5; the waterproof sealant comprises the following components in parts by weight: 80-100 parts of acrylic emulsion, 10-15 parts of heavy calcium carbonate, 3-5 parts of lignin fiber, 2-4 parts of wetting dispersant, 2-4 parts of silane coupling agent, 4-6 parts of thickening agent and 0.5-1 part of defoaming agent. Wherein the raw material components are all available in the market. The waterproof sealant and the interface waterproofing agent have good compatibility, and can generate good bonding effect between the waterproof sealant and the interface waterproofing agent.
S9, reinforcing and plugging the internal corners by using repair mortar 6, wherein the internal corners are in an arc-shaped slope; the repair mortar comprises the following components in parts by weight: 200 portions of sulfur-aluminum cement and 300 portions of sulfur-aluminum cement; 200 portions and 300 portions of ordinary Portland cement; 500 portions and 600 portions of quartz sand; 1-2 parts of a defoaming agent; 2-4 parts of cellulose ether; 1-2 parts of a water reducing agent; 8-15 parts of rubber powder. Wherein the gelatine powder is selected from 6021E gelatine powder available on the market. The starting components are all commercially available. When the repair mortar is used, a proper amount of water is mixed and stirred according to actual conditions.
S10, brushing waterproof paint 7 on the back surface, wherein the thickness is 1.5mm, which is the first pass; the waterproof coating on the back water surface consists of powder and liquid, wherein the weight ratio of the powder to the liquid is 2:1, and the powder consists of the following components in parts by weight: 400 portions and 450 portions of ordinary Portland cement; 400 portions and 450 portions of quartz sand; 20-40 parts of sulpho-aluminium cement; 100-150 parts of kaolin; 6-10 parts of a water reducing agent; 1-3 parts of cellulose ether; the liquid material comprises the following components in parts by weight: acrylic emulsion 350-400 parts; 2-4 parts of a defoaming agent; 3-6 parts of a preservative; 600 portions and 650 portions of water. The starting components are commercially available: for example, the water reducing agent is a commercially available Sanremo water reducing agent SD-600P-01; the acrylic emulsion adopts commercially available plum pangolin LWJ-711; the defoaming agent adopts a moderate W086; the preservative is Rohm and Haas LXE.
S11, additionally arranging anti-crack polyester cloth 8 at the joint of the internal corner and the wall body at the top; the polyester cloth can increase the stability and tensile strength of the structure.
S12, painting waterproof paint 76 on the back surface, wherein the thickness is 1.5mm, which is the second step;
s13, brushing and leveling by adopting repair mortar 6 (adopted for the second time); the adopted repair mortar can refer to the repair mortar used in the step S9;
s14, paving a ceramic tile 11 by adopting wet mortar after scraping ceramic tile glue 10 on the ground part; the wet mortar wet paving method is adopted to lay the ceramic tiles, so that water channeling can be prevented. The tile adhesive comprises the following components in parts by weight: 350 parts and 450 parts of ordinary portland cement; 550 portions of quartz sand and 600 portions; 2-5 parts of cellulose ether; 10-20 parts of rubber powder; 1-5 parts of starch ether; 4-8 parts of calcium formate. Wherein the raw material components can be obtained from the market: for example, the rubber powder adopts baochen 6021E rubber powder.
S15, scraping and leveling the wall surface part by adopting an outer wall putty coating 12. The exterior wall putty coating comprises the following components in parts by weight: 50-60 parts of heavy calcium carbonate powder; 15-20 parts of talcum powder; 5-10 parts of sierozem powder; 20-30 parts of cement; 1-2 parts of hydroxyethyl methyl cellulose ether; 2-4 parts of water-soluble resin glue powder. Wherein the raw material components can be obtained from the market: for example, as the water-soluble resin adhesive powder, a commercially available CH-717 water-soluble resin adhesive powder is used. The water-soluble resin glue powder has strong adhesive force and can be well fused with other raw material components.
The repairing process for the leakage water on the back water surface comprises the steps of firstly carrying out structure and then carrying out waterproof comprehensive treatment, and systematically solving the problem of the leakage water on the back water surface by using various waterproof materials and combining with a specific process through the structural design, so that the leakage water on the back water surface can not leak for more than 10 years.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.

Claims (1)

1. The repairing process of the seepage water on the back water surface is characterized by comprising the following steps:
s1, cutting a brick wall built by a back water surface wall, cutting off a brick wall with the height more than 80mm higher than a decorative surface layer of a water-facing surface ground, and cutting off 1/2-2/3 of the thickness of the brick wall to form a construction part;
s2, roughening the surface of the construction part; coating an interface waterproof agent to treat a base layer;
s3, planting bars between the upper brick body and the lower concrete floor slab at the construction part;
s4, supporting a template, and reserving a grouting passage port; adopting a mortar grouting machine to pour expansion impervious concrete for structural reinforcement;
s5, removing the template, and curing and maintaining the pouring position;
s6, chiseling a V-shaped groove at the internal corner part;
s7, coating an interface waterproof agent on the surface of the construction part including the V-shaped groove;
s8, sealing the V-shaped groove by using waterproof sealant;
s9, reinforcing and blocking the internal corners by adopting repair mortar, wherein the internal corners are in an arc-shaped slope;
s10, brushing waterproof paint on the back surface;
s11, adding anti-crack polyester cloth at the joint of the internal corner and the wall body at the top;
s12, brushing a waterproof coating on the back water surface;
s13, plastering and leveling by adopting repair mortar;
s14, paving the ceramic tiles by adopting wet mortar after scraping ceramic tile glue on the ground part;
s15, scraping and leveling the wall surface part by adopting external wall putty coating;
the waterproof sealant comprises the following components in parts by weight:
the repair mortar comprises the following components in parts by weight:
the waterproof coating on the back surface consists of powder and liquid, the weight ratio of the powder to the liquid is 2:1,
wherein the powder material comprises the following components in parts by weight:
the liquid material comprises the following components in parts by weight:
the tile adhesive comprises the following components in parts by weight:
the exterior wall putty coating comprises the following components in parts by weight:
CN201810119058.6A 2018-02-06 2018-02-06 Repairing process for leakage water on back water surface Active CN108374566B (en)

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CN109184003B (en) * 2018-09-25 2020-08-04 江苏四知堂工程服务有限公司 Concrete floor waterproof and leaking stoppage construction method
CN110318552A (en) * 2019-04-22 2019-10-11 杭州市园林工程有限公司 A kind of indoor wall percolating water repairerment technique
CN110344601A (en) * 2019-05-31 2019-10-18 浙江大唐国际绍兴江滨热电有限责任公司 Leakage of buildings blocks new process
CN111287339A (en) * 2020-03-03 2020-06-16 中国十七冶集团有限公司 Construction method for preventing and controlling rigid and flexible water leakage of brick-concrete structure

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地铁车站防水施工质量控制;王学华;《中国建材科技》;20170625(第03期);正文第119页第1栏第2段至第2栏倒数第1段以及图第1-3幅 *

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