CN108990852A - A kind of heavy formula snail aquaculture device - Google Patents
A kind of heavy formula snail aquaculture device Download PDFInfo
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- CN108990852A CN108990852A CN201810980118.3A CN201810980118A CN108990852A CN 108990852 A CN108990852 A CN 108990852A CN 201810980118 A CN201810980118 A CN 201810980118A CN 108990852 A CN108990852 A CN 108990852A
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- frame
- snail
- tubing
- pouring weight
- aquaculture device
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/51—Culture of aquatic animals of shellfish of gastropods, e.g. abalones or turban snails
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
The present invention discloses a kind of heavy formula snail aquaculture device, belong to snail cultural technique field, cultivation apparatus, the etting that the frame built by tubing is connected with frame surrounding, frame top are connected with gas tube, the tubing of base of frame extends straight down, gas tube upper end is equipped with valve, is equipped on the tubing of base of frame into drainage hole, is hung with pouring weight in frame；Control device has gone up and down in breeding water body and has put, device setting is set to fit like a glove with snail natural growing environment, the pouring weight of hanging can not only estimate cultured output can also provide protection place for spiral shell seedling, the present invention has analog snail natural growing environment, snail yield can be estimated in breeding process, conducive to snail seed breeding, aquaculture management and the convenient advantage of production programming.
Description
Technical field
The invention belongs to snail cultural technique fields, more particularly to a kind of heavy formula snail aquaculture device.
Background technique
Ocean development, islands and reefs are leading, and fishery is leading.Islands and reefs are the forward positions of China's ocean development, important fulcrum, even more
Mainly there are reef, mud, husky substrate three types in the key areas of Fisheries Development, China southeastern coast intertidal zone.The littoral tide in continent
Between band based on mud substrate, reef take second place with husky substrate, especially based on the reef substrate of outside islands and reefs bank intertidal zone, mud with
Husky substrate takes second place, according to the preliminary statistics 60% or more water front length in entire intertidal zone, and area accounts for 50% or more.Zhejiang ALONG COASTAL FUJIAN
Islands and reefs spread all over the place, and if Zhoushan Islands have 13395 island, a islands and reefs ordinate more than 3500, reef substrate intertidal zone is main body.
In several types intertidal zone, husky substrate intertidal zone water front length, limited area is opened usually as tourist resources
Hair.Mud substrate intertidal zone is that China encloses pool cultivation, and the pool cultivation various fish of main product, shrimps, shellfish are enclosed in mudflat aquaculture developing zone
Class.Mudflat aquaculture main product shellfish, algae, such as clam, razor clam, blood clam, spiral shell and kelp seaweed, development and utilization at present have been substantially saturated or mistake
Saturation.For a long time, with the increase that terrestrial environment pollutes, along with people develop and use the increasing of dynamics, pool cultivation, beach are enclosed
Aquaculture industry is applied by a degree of influence, no matter from space utilization or in terms of environmental carrying capacity, is further developed
Without possible.Conversely, reef intertidal zone is in addition to artificially acquisition resource, artificial increasing cultivation's situation blank.
Outside islands and reefs area intertidal zone is not only the habitat of many large-scale Benthic algaes, such as oyster dish, sea lettuce, sargassum fusifome, Wu
Centipede algae, kelp, seaweed etc., and be the habitat of many shellfishes, such as mussel (Mytilus galloprovincialis, Trachyostracous mussel), top shell (fern
Spiral shell, Chlorostoma rustic), dog whelk (Thais clavgeria, tumor dog whelk).For a long time, it due to largely artificially fishing, and fishes region and gets over
To come wider, the depth of water is deeper and deeper, and intertidal zone shellfish algae resource is caused constantly to decline, and it is little by spontaneous recovery possibility, it must
Artificial increasing cultivation's industry must be developed on the basis of reinforcing protection.
Such as, Chinese invention publication, publication No. CN 104604762 A, a kind of style of opening sea area sinks cage and prolongs the prior art
Rope type cultural method and its cultivation apparatus, the device can cultivate snail or abalone in 8-15 meters of sea area, overcome within 8 meters
Neritic province domain breeding spaces are excessively crowded, abalone and snail growth are easy impacted problem, but the region that the device is launched
Less it is conducive to snail and abalone growth with breeding environment, it is little to the yield increase effect of abalone and snail.
Summary of the invention
The purpose of the present invention is to provide a kind of simulation snail natural growing environment, it can estimate that snail produces in breeding process
Amount, conducive to the heavy formula snail aquaculture device of snail seed breeding.
The present invention to achieve the above object, the technical solution taken are as follows: a kind of heavy formula snail aquaculture device, by tubing
The etting that the frame built is connected with frame surrounding, frame top are connected with gas tube, and the tubing of base of frame prolongs straight down
It stretches, gas tube upper end is equipped with valve, is equipped on the tubing of base of frame into drainage hole, is hung with pouring weight in frame；Pass through valve
The folding of door carrys out the folding into drainage hole on the tubing of control framework bottom, and forming air inlet inside the tubing of frame has buoyancy
Or water inlet makes cultivation apparatus sink or float in water, device overall buoyancy is greater than gravity under air-suction state in tubing, in tubing
Device entirety gravity is greater than buoyancy under water inlet state, and realization device has gone up and down in breeding water body and put, and makes device setting and snail
Natural growing environment fits like a glove, and achievees the purpose that snail aquaculture, and hangs several pouring weights in frame to improve device
The efficiency of sinking in the tube portions insertion seabed mud for extending bottom of device straight down, realizes cultivation apparatus in water
Effect is fixed and supported, the weight of pouring weight is consistent, and the quantity of pouring weight subtracts with the increase of the weight of material culture in cultivation apparatus
It is small, material culture units increased in production is estimated by the reduction quantity of pouring weight in the breeding process, greatly facilitates aquaculture management and production
Planning, can adjust cultivation scheme when yield is uneven in time, and optional Φ 10-15cmHDPE pipe makes frame, frame perimeter
10-20m or so, high 2-3m can resist 12 grades or more of stormy waves, and cultivation apparatus launches region and outside islands and reefs is selected nearby to moor domain,
The depth of water≤40m, flow velocity≤1.5m/s.
To optimize above-mentioned technical proposal, the measure taken further include: development length is the tubing of base of frame straight down
The 1/6 ~ 1/4 of frame height, when the tubing water inlet in cultivation apparatus, device sinks to the vertical tubing of seabed base of frame and inserts
Enter to play the role of in the mud of seabed support and fixed cultivation apparatus, cultivation apparatus bottom surface is avoided to contact influence cultivation with seabed mud；
Pouring weight be it is hourglass-shaped, middle part through there is through-hole, above and below pouring weight two-part side offer with the inclined protection hole of pouring weight axis,
Protection hole is elliptical aperture, and orifice diameter is less than ellipse short shaft length, and hourglass-shaped pouring weight is hung is conducive to dispensing in frame
Rock algae, diatom grow on its surface, and then realize the snail of cultivation, as top shell, dog whelk ingest algae mould on pouring weight surface
Quasi- snail growing environment, is beneficial to snail volume increase, and spiral shell seedling, the protection hole of design are inside bred convenient for snail in the protection hole opened up
Orifice diameter is less than ellipse short shaft length, and spiral shell seedling under the action of ocean current can be effectively prevent to go out protection hole and drop out cultivation dress
It sets, by protection spiral shell seedling to improve snail volume increase, the pouring weight of above structure shape generates ditch dug with a plow in sea beat effect lower surface
Or micro-crack situation is few, is less prone to pouring weight part surface layer peeling, when sea beat pouring weight, sea beat pouring weight and part into
Enter to protect in hole, wave impact force is absorbed by protecting hole, realizes that wave absorbing effect, wave are formed after entering protection hole inside
Reflux shape water flow simultaneously mutually collides, due to protecting the planform setting in hole and pouring weight, into the water flow punching protected in hole
Power very little is hit, the oxygen capacity in water flow can be promoted to obtain increasing conducive to hiding in protection hole when protecting the water flow collision in hole
Spiral shell shoot survival percent and fast-growth；Etting is the double-deck etting, and etting is made of cable, and cavity is equipped at intervals at cable center, empty
Chamber is sealed by ethylene-vinyl acetate copolymer layer, and ethylene-vinyl acetate copolymer layer external rings are around polyethylene filament, polyethylene
Between filament be equipped with sustained-release gel, the cavity volume of cable account for the 1/10 ~ 2/10 of cable total volume provided for cultivation apparatus it is smaller
Buoyancy, reduce the aeration quantity of gas tube, be beneficial to energy conservation, by ethylene-vinyl acetate copolymer layer sealing cavity and improve
Elasticity, the flexibility of cable entirety are beneficial to enhance the intensity and service life of cable around the polyethylene filament of setting, make to set
The cable of meter effective service life is up to 15 years or more, and setting sustained-release gel is slow in water body between polyethylene filament
It discharges nutriment and improves the snail speed of growth and snail quality, achieve the effect that further to increase production.The weight of pouring weight is consistent, frame
Pouring weight quantity in frame reduces as the weight of material culture increases, and is estimated in the breeding process by the reduction quantity of pouring weight
Material culture units increased in production greatly facilitates aquaculture management and production programming, and frame is cube, and frame roof is equipped with openable and closable open
Mouthful, it is connected with floating ball for picking and placing cultivation snail, algae and bait throwing in, gas tube top, convenient for identification cultivation apparatus in cultivation water
Position in domain, facilitates aquaculture management.
Compared with prior art, the invention has the benefit that the present invention makes to cultivate using air inlet inside tubing or water inlet
Device sinks or floats in water, and realization device has gone up and down in breeding water body and put, and makes device setting and snail nature growth ring
Border fits like a glove, and several pouring weights are hung in frame and improve fixation and supporting function of the cultivation apparatus in water body, the weight of pouring weight
Amount is consistent, and the quantity of pouring weight reduces with the increase of the weight of material culture in cultivation apparatus, passes through pouring weight in the breeding process
Reduction quantity estimate material culture units increased in production, greatly facilitate aquaculture management and production programming, when yield is uneven can and
When adjust cultivation scheme, pouring weight is additionally favorable for the algal grown launched and snail and ingests algae on pouring weight surface, and design is protected hole and protected
Spiral shell seedling is protected, thus the present invention has analog snail natural growing environment, can estimate snail yield in breeding process, is conducive to snail
Seed breeding, aquaculture management and the convenient advantage of production programming.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of heavy formula snail aquaculture device of the present invention；
Schematic diagram when Fig. 2 is hanging pouring weight in a kind of heavy formula snail aquaculture device of the present invention；
Fig. 3 is the structural schematic diagram of pouring weight of the present invention；
Fig. 4 is the cross-sectional view of cable.
Description of symbols: 1 floating ball；2 valves；3 gas tubes；4 ettings；4a cavity；4b ethylene-vinyl acetate copolymer
Layer；4c polyethylene filament；4d sustained-release gel；5 tubing；6 into drainage hole；7 water surface curves；8 sea beds；9 pouring weights；901 protect hole.
Specific embodiment
Present invention is further described in detail with attached drawing with reference to embodiments:
Embodiment 1:
As shown in Figure 1, a kind of heavy formula snail aquaculture device, the etting 5 that the frame built by tubing 4 is connected with frame surrounding,
It is connected with gas tube 3 above frame, the tubing 4 of base of frame extends straight down, and 3 upper end of gas tube is equipped with valve 2, framework bottom
It is equipped on the tubing 4 in portion into drainage hole 6；By the folding of valve 2 come on the tubing 4 of control framework bottom into drainage hole 6
Folding, form frame 4 inside air inlet of tubing have buoyancy or water inlet so that cultivation apparatus is sunk or is floated in water, tubing 4
Device overall buoyancy is greater than gravity under interior air-suction state, and device entirety gravity is greater than buoyancy under water inlet state in tubing 4, realizes dress
It sets to have gone up and down in breeding water body and put, so that device setting is fitted like a glove with snail natural growing environment, reach snail aquaculture
Purpose selects Φ 12cmHDPE pipe to make frame, and frame perimeter 20m or so, high 2m can resist 12 grades or more of stormy waves, cultivates
Device launches region and outside islands and reefs is selected nearby to moor domain, the depth of water≤40m, flow velocity≤1.5m/s.
Development length is preferably the 1/6 of frame height to the tubing 4 of base of frame straight down, when the tubing in cultivation apparatus
When 4 water inlet, device, which is sunk to, to be played support in the vertical insertion seabed mud of tubing 4 of seabed base of frame and fixes cultivation apparatus
Effect avoids cultivation apparatus bottom surface from contacting influence cultivation with seabed mud.
Frame roof is equipped with openable and closable opening, for picking and placing cultivation snail, algae and bait throwing in, the snail of cultivation such as: horse
The snails such as hoof spiral shell, dog whelk, the algae of dispensing for example: the algae such as rock algae, diatom, 3 top of gas tube are connected with floating ball 1, are convenient for
It identifies position of the cultivation apparatus in Cultivated water, facilitates aquaculture management.
Embodiment 2:
Referring to Fig. 2 and Fig. 3, the prioritization scheme of the present embodiment on the basis of embodiment 1 are as follows: a kind of heavy formula snail aquaculture dress
It sets, the etting 5 that the frame built by tubing 4 is connected with frame surrounding, is connected with gas tube 3, the pipe of base of frame above frame
Material 4 extends straight down, and 3 upper end of gas tube is equipped with valve 2, is equipped on the tubing 4 of base of frame into drainage hole 6, in frame
It is hung with pouring weight 9；Several pouring weights 9 are hung in frame to improve the efficiency of device sinking, extends bottom of device straight down
4 partial insertion seabed mud of tubing in, realize cultivation apparatus in water fix and support effect, the weight of pouring weight 9 is consistent, weigh
The quantity of block 9 reduces with the increase of the weight of material culture in cultivation apparatus, passes through the reduction number of pouring weight 9 in the breeding process
It measures to estimate material culture units increased in production, greatly facilitates aquaculture management and production programming, can be adjusted in time when yield is uneven feeding
Grow scheme.
Pouring weight 9 be it is hourglass-shaped, through there is through-hole, the two-part side of about 9 pouring weight is offered inclines with 9 axis of pouring weight at middle part
Oblique protection hole 901, protection hole 901 are elliptical aperture, and orifice diameter is less than ellipse short shaft length, and hourglass-shaped pouring weight 9 is hung
It is conducive to the rock algae launched, diatom in frame and realizes the snail of cultivation in the growth of its surface, as top shell, dog whelk exist
9 surface of pouring weight is ingested phytoplankton simulation snail growing environment, is beneficial to snail volume increase, the protection hole 901 opened up is convenient for snail inner
Spiral shell seedling is bred in face, and 901 orifice diameter of protection hole of design is less than ellipse short shaft length, can effectively prevent spiral shell under the action of ocean current
Seedling, which is gone out, to be protected hole 901 and drops out cultivation apparatus, by protection spiral shell seedling to improve snail volume increase, the pouring weight 9 of above structure shape
Ditch dug with a plow is generated in sea beat effect lower surface or micro-crack situation is few, is less prone to the local surface layer peeling of pouring weight 9, when wave rushes
When hitting pouring weight 9, sea beat pouring weight 9 simultaneously partially enters in protection hole 901, is absorbed by protecting hole 901 to wave impact force, in fact
Existing wave absorbing effect, wave forms reflux shape water flow after entering protection 901 inside of hole and mutually collides, due to protecting hole
901 and pouring weight 9 planform setting, into protect hole 901 in water flow impact pressure very little, protect hole 901 in water flow touch
The oxygen capacity in water flow can be promoted to obtain increasing the spiral shell shoot survival percent and fast-growth for being conducive to hide in protection hole 901 when hitting.
Embodiment 3:
Referring to Fig. 4, the prioritization scheme of the present embodiment on the basis of embodiment 1 are as follows: etting 5 is the double-deck etting, and etting is by cable
It is made, cavity 4a is equipped at intervals at cable center, cavity 4a is sealed by ethylene-vinyl acetate copolymer layer 4b, ethyl vinyl acetate second
Alkene copolymer layer 4b external rings are equipped with sustained-release gel 4d, the cavity 4a of cable between polyethylene filament 4c, polyethylene filament 4c
Volume accounts for the 1/10 of cable total volume and provides lesser buoyancy for cultivation apparatus, reduces the aeration quantity of gas tube 3, is beneficial to save
Can, pass through ethylene-vinyl acetate copolymer layer 4b sealing cavity 4a and improve the elasticity of cable entirety, flexibility, around setting
Polyethylene filament 4c be beneficial to enhance the intensity and service life of cable, make cable effective service life of design up to 15 years
More than, and sustained-release gel 4d slow release nutriment in water body is set between polyethylene filament 4c and improves snail growth
Speed and snail quality achieve the effect that further to increase production.
It protects in hole 901 and also is provided with sustained-release gel 4d, the material composition and its parts by weight of sustained-release gel 4d are as follows: land plaster 30
Part, 70 parts of polylactic acid, 4 parts of polyadipate diglycol ester, 3 parts of amino acid, 4 parts of lecithin, 3-Hydroxyretinol part, polychlorostyrene second
8 parts of olefine resin, 0.4 part of tartaric acid, 2 parts of thickener, 3 parts of perforate expanded perlite, 1 part of nano silica.Polylactic acid has
Good biodegradability and mechanical property, surface hydrophobic is relatively strong but still needs to improve, mechanical performance and biodegrade
The controllability of time is poor.Grafting is carried out to polylactic acid using polyadipate diglycol ester and Corvic to change
Property, improve its hydrophobicity, it is ensured that before degradation material is that voluntarily notch does not occur in degradation, water be cannot be introduced into degradation material.
Under the premise of existing for the nano silica, the grafting rate of degradation material, and L- winestone in tartaric acid is can be improved in tartaric acid
Acid: having unexpected effect when the ratio of D- tartaric acid is 20:3, (also significantly improving while improving grafting rate can
The mechanical strength of degradable material).Each ingredient has trade-off effect in above-mentioned degradation material, but specific mechanism is still not clear.On
It states degradation material and does not have water penetration, over time, degradation material is slowly degraded, slow release nutriment
The snail speed of growth and snail quality are improved, achievees the effect that further to increase production.
Embodiment 4:
The measure of merit of cultivation apparatus:
It chooses and moors domain on the outside of Zhoushan Of Zhejiang Province Dinghai District near islands and reefs, the depth of water≤40m, flow velocity≤1.5m/s, pH value 8.0 ~ 8.2,
Anniversary water temperature changes 8 ~ 28 DEG C, 0.7 ~ 2.6m of water transparency.
Cultivation apparatus: the heavy formula snail aquaculture device (experimental group) that the present invention designs, commercially available breeding cage (control group) are supported
It is identical to grow installed capacity.
Select breed variety: dog whelk；Cultivate quantity: cultivation 100 in each device；The average high 3cm of shell, is wild catch
It obtains, culturing time: 180d.
Diatom, the small fish of equivalent, water temperature higher period are launched during cultivation in two groups of cultivation apparatus, injected volume reduces,
It avoids bait from rotting, observes the dog whelk growing state of cultivation, remove dead spiral shell in time, and make a record, experimental group simulates lichee
Spiral shell growing environment is gone up and down by inflatable drainage realization device, periodically takes out the pouring weight 9 in experimental group, and record quantity, control group
It sinks to the bottom of the sea for a long time, observes the weather condition of culturing area, especially typhoon, whether there is or not ettings to break for two groups of cultivation apparatus of routine observation
It is broken, it makes a record.
Dog whelk is harvested after cultivation, is measured one by one, and experimental group is averaged the high 44.5cm of shell, survival rate 92%, and control group is flat
The high 32.7cm of equal shell, survival rate 78%.
It will be clearly understood that the dog whelk quality of experimental group simulation snail natural growing environment cultivation is good by the experiment of 180d,
High survival rate can estimate snail yield in breeding process, be conducive to snail seed breeding, and aquaculture management and production programming are convenient.
Technical solution of the present invention is described in detail in embodiment described above, it should be understood that the above is only
For specific embodiments of the present invention, it is not intended to restrict the invention, all any modifications made in spirit of the invention,
Supplement or similar fashion substitution etc., should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of heavy formula snail aquaculture device, the etting (5) that the frame including being built by tubing (4) is connected with frame surrounding,
It is characterized by: being connected with gas tube (3) above the frame, the tubing (4) of base of frame extends straight down, the inflation
Pipe (3) top is connected with floating ball (1), and gas tube (3) upper end is equipped with valve (2), is equipped on the tubing (4) of the base of frame
Into drainage hole (6), pouring weight (9) are hung in the frame.
2. a kind of heavy formula snail aquaculture device according to claim 1, it is characterised in that: the tubing of the base of frame
(4) development length is the 1/6 ~ 1/4 of frame height straight down.
3. a kind of heavy formula snail aquaculture device according to claim 1, it is characterised in that: the pouring weight (9) is hourglass
Shape, middle part is through there is through-hole, and two-part side offers and pouring weight (9) axis inclined protection hole the pouring weight (9) up and down
(901).
4. a kind of heavy formula snail aquaculture device according to claim 3, it is characterised in that: the protection hole (901) is
Elliptical aperture, orifice diameter are less than ellipse short shaft length.
5. a kind of heavy formula snail aquaculture device according to claim 1, it is characterised in that: the etting (5) is bilayer
Etting, the etting are made of cable, are equipped at intervals at the cable center cavity (4a), and the cavity (4a) is by ethylene-vinegar
Sour ethylene copolymer layer (4b) sealing, ethylene-vinyl acetate copolymer layer (4b) external rings are around polyethylene filament (4c), institute
It states and is equipped with sustained-release gel (4d) between polyethylene filament (4c).
6. a kind of heavy formula snail aquaculture device according to claim 1, it is characterised in that: the weight of the pouring weight (9)
Unanimously.
7. a kind of heavy formula snail aquaculture device according to claim 1, it is characterised in that: the frame is cube,
Frame roof is equipped with openable and closable opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810980118.3A CN108990852B (en) | 2018-08-27 | 2018-08-27 | Sinking type snail breeding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810980118.3A CN108990852B (en) | 2018-08-27 | 2018-08-27 | Sinking type snail breeding device |
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| CN108990852A true CN108990852A (en) | 2018-12-14 |
| CN108990852B CN108990852B (en) | 2020-11-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112487643A (en) * | 2020-11-30 | 2021-03-12 | 中国科学院地理科学与资源研究所 | Island resource environment bearing capacity multi-objective optimization oriented space planning method |
| CN114133037A (en) * | 2021-11-16 | 2022-03-04 | 浙江省海洋水产研究所 | Multilayer ecological protection restoration device and method for river channel |
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