CN113940166A - Method for applying ecological porous cellucotton to mountain afforestation - Google Patents
Method for applying ecological porous cellucotton to mountain afforestation Download PDFInfo
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- CN113940166A CN113940166A CN202111178286.9A CN202111178286A CN113940166A CN 113940166 A CN113940166 A CN 113940166A CN 202111178286 A CN202111178286 A CN 202111178286A CN 113940166 A CN113940166 A CN 113940166A
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- mountain
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000002689 soil Substances 0.000 claims abstract description 53
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 47
- 239000010959 steel Substances 0.000 claims abstract description 47
- 239000002893 slag Substances 0.000 claims abstract description 46
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 238000005507 spraying Methods 0.000 claims abstract description 16
- 235000015097 nutrients Nutrition 0.000 claims abstract description 12
- 239000011159 matrix material Substances 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims abstract description 5
- 239000000835 fiber Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000010899 nucleation Methods 0.000 claims description 15
- 229920000742 Cotton Polymers 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 13
- 239000003337 fertilizer Substances 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 235000016709 nutrition Nutrition 0.000 claims description 5
- 230000035764 nutrition Effects 0.000 claims description 5
- 241000894006 Bacteria Species 0.000 claims description 3
- 230000003203 everyday effect Effects 0.000 claims description 3
- 239000003979 granulating agent Substances 0.000 claims description 3
- 230000006872 improvement Effects 0.000 claims description 3
- 239000003895 organic fertilizer Substances 0.000 claims description 3
- 239000010902 straw Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 241000196324 Embryophyta Species 0.000 description 18
- 230000008635 plant growth Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000035699 permeability Effects 0.000 description 3
- 230000004083 survival effect Effects 0.000 description 3
- 241000628997 Flos Species 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000008262 pumice Substances 0.000 description 1
- 239000000366 soil substitute Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/40—Growth substrates; Culture media; Apparatus or methods therefor characterised by their structure
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G31/00—Soilless cultivation, e.g. hydroponics
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
- E02D17/202—Securing of slopes or inclines with flexible securing means
Abstract
The application relates to a method for applying ecological porous cellucotton to mountain afforestation, which relates to the field of ecological porous cellucotton and comprises the following steps: s1, slope cleaning and leveling; s2, spraying the foreign soil sealing layer; s3, laying ecological porous cellucotton; s4, spraying the seeds and the nutrient matrix layer. The method has the effect of reducing the environmental problems caused by the steel slag mountain.
Description
Technical Field
The application relates to the field of ecological restoration, in particular to a method for applying ecological porous cellucotton to mountain afforestation.
Background
The steel slag is a typical industrial solid waste generated in the steel-making process of a steel plant, and the generation amount of the steel slag is rapidly increased along with the rapid development of the steel industry, so that the problems of waste slag treatment and resource utilization of steel enterprises are more and more emphasized. At present, about 70% of the steel slag is in a stacked and landfill state, and the steel slag is usually laid in a stacking area to form a steel slag mountain.
The slope of part of the steel slag mountain is larger, the slope of most of the steel slag mountain is larger than 1:1, and the slope stability is poorer. And the PH value of part of the steel slag mountain reaches 12, and the steel slag mountain is strong alkaline, so that the whole slag-piling slope surface has certain physical and chemical reaction phenomena in rainfall.
In view of the above-mentioned related art, the inventors believe that the steel slag mountain formed by piling up the steel slag causes the ecological environment at the steel slag mountain to be poor.
Disclosure of Invention
In order to carry out ecological restoration on the steel slag mountain, the application provides a method for applying ecological porous cellucotton to greening the steel slag mountain.
The method for applying the ecological porous cellucotton to the mountain afforestation adopts the following technical scheme: a method for applying ecological porous cellucotton to mountain afforestation comprises the following steps:
s1, slope cleaning and leveling;
s2, spraying the foreign soil sealing layer;
s3, laying ecological porous cellucotton;
s4, spraying the seeds and the nutrient matrix layer.
By adopting the technical scheme, the steel slag mountain is cleaned and leveled, then a foreign soil sealing layer is sprayed on the slope surface of the steel slag mountain, the slope surface is sealed by the foreign soil sealing layer, and the physical and chemical reaction activities of the steel slag mountain and the outward release of harmful substances are reduced; laying ecological porous cellucotton on the foreign soil sealing layer, and finally spraying a nutrient matrix layer and plant seeds; the root system of the plant can enter the ecological porous fibrous floss but can not penetrate the ecological porous fibrous floss in a short time, so that the survival rate of the plant is greatly improved; and when the steel slag mountain needs to be dug again, the turf based on the ecological porous cellucotton can be directly moved to other places needing greening, so that the cost is saved, the method is convenient and fast, and the environmental problem caused by the steel slag mountain is conveniently reduced.
Preferably, the specific method for the spraying of the foreign soil sealing layer comprises the following steps: the material of the foreign soil sealing layer comprises cohesive soil, a soil curing agent, an adhesive and a granulating agent, the mixed material is added into the vehicle-mounted foreign soil spray-seeding machine to be uniformly stirred, and then the mixed material is uniformly sprayed on the slope surface of the steel slag mountain through a high-pressure pump of the vehicle-mounted foreign soil spray-seeding machine.
By adopting the technical scheme, the whole steel slag mountain is completely sealed through the foreign soil sealing layer, and the physical and chemical reaction activities of the steel slag mountain and the outward release of harmful substances are reduced to the maximum extent.
Preferably, the specific method for laying the ecological porous cellucotton comprises the following steps: and laying the processed ecological porous cellucotton on the slope surface, and laying the adjacent ecological porous cellucotton in a close fit manner.
By adopting the technical scheme, the structure and the stable physicochemical property of the ecological porous cellucotton isolate the steel slag again, so that the safety and the stability of subsequent plant growth are ensured; the ecological porous cellucotton is ecological and friendly, safe and durable, has strong hydrophilicity and is widely applicable; meanwhile, the ecological porous cellucotton is also an excellent material for soilless planting, can completely replace soil, and can play a role in slowly releasing water and fertilizer.
Preferably, the specific method for spraying the seeds and the nutrient matrix layer comprises the following steps: adding the plowing and planting soil, the slow release fertilizer, the quick-acting fertilizer, the organic fertilizer, the soil improvement active bacteria, the water-retaining agent, the adhesive and the plant seeds into a soil dressing spray-seeding machine, and uniformly spraying the soil dressing spray-seeding machine on the ecological porous cellucotton to form a nutrition layer.
By adopting the technical scheme, the nutrient layer contains nutrient substances suitable for plant growth, so that the plants can grow smoothly.
Preferably, the nutrient layer is uniformly sprayed with planting soil to form a seed layer.
Preferably, the following steps are added between S1 and S2: and arranging a water intercepting ditch at the top of the steel slag hillside and constructing a drainage ditch at the bottom of the steel slag hillside.
Through adopting above-mentioned technical scheme, the intercepting ditch can reduce great rainfall and wash the domatic condition emergence, and the escape canal can be discharged the catchment on domatic, reduces the condition emergence that catchment washed the banket.
Preferably, the following steps are added between S3 and S4: after the ecological porous fiber cotton is laid, the wire netting covers the ecological porous fiber cotton, and after the laying is finished, the wire netting is fixed on the steel slag hill body by using a plurality of steel bar anchor rods.
Through adopting above-mentioned technical scheme, wire netting and stock have carried out comparatively firm fixed to ecological porous cellucotton, reduce the condition emergence that ecological porous cellucotton takes place to remove on the slope body.
Preferably, a fiber blanket made of straws is covered on the seed layer, the seeds are fixed to be firm and are watered for maintenance, the plant is maintained every day in the seedling stage, and the watering frequency is properly adjusted after seedling emergence.
By adopting the technical scheme, the fiber blanket covers the slope body, so that the possibility of water and soil loss on the foreign soil closed layer, the ecological porous fiber cotton, the nutrition layer and the seed layer is reduced, and the plants can grow better.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the plant root system can enter the ecological porous fiber cotton but can not penetrate the ecological porous fiber cotton in a short time, the survival rate of the plant is greatly improved, and when the steel slag mountain needs to be dug again, the turf based on the ecological porous fiber cotton can be directly moved to other places needing greening, so that the cost is saved, the convenience is realized, and the environmental problem caused by the steel slag mountain can be reduced;
the structure and stable physicochemical characteristics of the ecological porous cellucotton isolate the steel slag again, so that the safety and stability of subsequent plant growth are ensured;
3. the ecological porous cellucotton is ecological friendly, safe, durable, strong in hydrophilicity and widely applicable; meanwhile, the ecological porous cellucotton is also an excellent material for soilless planting, can completely replace soil, and can play a role in slowly releasing water and fertilizer.
Drawings
Fig. 1 is a schematic diagram of a method for greening a mountain based on slag.
Detailed Description
The present application is described in further detail below with reference to fig. 1.
The embodiment of the application discloses a method for applying ecological porous cellucotton to mountain slabstone greening. Referring to fig. 1, the method for applying ecological porous cellucotton to mountain greening comprises the following steps:
s1, slope surface cleaning and leveling: the method comprises the following steps of cleaning pumice on the slope surface of the steel slag hill, enabling the slope surface to have a slope gradient not exceeding 45 degrees and a slope length not exceeding 20 meters, reducing disturbance on the slope surface as much as possible, and manually leveling in a small range;
s2, setting a simple drainage ditch: the simple catch drain is arranged at the top of the slope to prevent large rainfall from rushing down the slope surface, and the simple drainage ditch is constructed at the toe of the slope to drain the catchment water on the slope surface to prevent the toe of the slope from rushing down;
s3, spraying and seeding of the foreign soil sealing layer: the foreign soil sealing layer seals the slope, and the material of the foreign soil sealing layer comprises 87 wt% of cohesive soil, 5 wt% of soil curing agent, 6 wt% of adhesive and 2 wt% of granulating agent. The stable property of the foreign soil sealing layer is ensured, the well-matched material is added into the vehicle-mounted foreign soil spray-seeding machine to be uniformly stirred, and then the mixture is uniformly sprayed on the slope surface through a high-pressure pump of the vehicle-mounted foreign soil spray-seeding machine, wherein the spray-seeding thickness is 4-5 cm; the whole steel slag mountain is completely sealed through the foreign soil sealing layer, so that the physical and chemical reaction activities of slag piling of the steel slag mountain and the outward release of harmful substances are reduced to the maximum extent;
s4, laying ecological porous fiber cotton: laying processed ecological porous cellucotton with the thickness of 5cm on a slope surface from top to bottom, wherein adjacent ecological porous cellucotton are laid in a close fit manner, transverse laying is generally adopted, the integrity of a foreign soil sealing layer is not damaged when laying is carried out, and personnel need to bring a safety belt to work on the slope surface in parallel when laying; the steel slag mountain is isolated again through the structure and stable physicochemical characteristics of the ecological porous cellucotton, so that the safety and stability of subsequent plant growth are ensured;
s5, laying a wire mesh and fixing an anchor rod: after the ecological porous fiber cotton is laid, covering the rhombic wire netting on the ecological porous fiber cotton, fixing the wire netting on a steel slag hill body by using a plurality of phi 14 steel bar anchor rods after the ecological porous fiber cotton is laid, wherein the distance between every two adjacent anchor rods is 1 meter; the ecological porous cellucotton is stably fixed through the wire netting and the anchor rod;
s6, spraying and seeding the seeds and the nutrient matrix layer: adding the plowing and planting soil, the slow release fertilizer, the quick-acting fertilizer, the organic fertilizer, the soil improvement active bacteria, the water-retaining agent, the adhesive and the plant seeds into a foreign soil spray-seeding machine, and uniformly spraying the mixture onto the ecological porous cellucotton to form a nutrient layer with the thickness of 4 cm; then, uniformly spraying dry-ploughing planting soil on the nutrition layer, thereby forming a seed layer with the thickness of 1 cm;
s7, covering vegetation fiber blanket: finally, covering a fiber blanket made of straws on the slope, fixing the seed to be firm, watering and maintaining, maintaining the plant every day in the seedling emergence period, and properly adjusting the watering frequency after the seedling emergence; the fiber blanket is covered on the slope body, so that the possibility of water and soil loss on the foreign soil sealing layer, the ecological porous fiber cotton, the nutrition layer and the seed layer is reduced;
and S8, watering and maintaining regularly.
The ecological porous fiber cotton comprises 60% of basalt, 4% of dolomite and 36% of slag. The ecological porous cellucotton has the following characteristics:
a. the ecological porous cellucotton is eco-friendly, is made of natural ecological porous cellucotton materials, cannot cause pollution to soil and underground water, and is green and environment-friendly.
b. The ecological porous cellucotton is safe and durable, has high acidity coefficient, definite component procedure and strong durability, and can be suitable for various environments.
c. The structure is reasonable, and the porosity of the ecological porous cellucotton fibers in three-dimensional lap joint reaches 92-98%.
d. The product has strong hydrophilicity, the volume water absorption rate of the product is up to more than 90 percent, and the product is a very good water-retaining planting material.
e. The method is widely applicable, and the ecological porous cellucotton application system is simple in structure, can be flexibly designed and used according to local conditions.
f. The soil substitute and the durability are good, and the ecological porous cellucotton is also a good material for soilless planting and can completely replace soil. Through the research on the mechanics, the water permeability and the durability of the ecological porous cellucotton, the service life of the ecological porous cellucotton in the south is about 15 years, and the service life of the ecological porous cellucotton in the north is about 30 years.
g. The slow release carrier of the water fertilizer, the ecological porous cellucotton can play a role in slowly releasing the water fertilizer through the porous structure of the ecological porous cellucotton and the structure between cellucottons, and the growth of plants can be durably ensured.
h. The heat insulating property, steel slag hillside surface temperature can rise fast when high temperature, and this will cause the climbing or attached to the plant on it withers rapidly, adopts ecological porous cellucotton can effectual isolation external high temperature, and the growth of protection plant plays certain water retaining effect simultaneously.
The ecological porous cellucotton can block plant roots from entering the foreign soil closed layer in a short time, the plant roots can enter the ecological porous cellucotton but cannot penetrate the ecological porous cellucotton in a short time, and the survival rate of plants is greatly improved. In addition, if the steel slag mountain needs to be dug again, the turf based on the ecological porous cellucotton can be directly moved to other places needing greening, great convenience is brought to factory production, and the cost of greening projects can be reduced to a great extent.
The technical parameters of the ecological porous cellucotton in the examples of the present application are shown in table 1.
TABLE 1 ecological porous cellucotton technical parameters
As can be seen from Table 1, the effective porosity of the ecological porous cellucotton is high, which is convenient for the plant to root; the ecological porous cellucotton has larger water permeability coefficient and better water permeability. The compression strength of the ecological porous cellucotton is strong, and the condition that the ecological porous cellucotton is damaged is reduced; the pH value of the water extract of the ecological porous cellucotton is close to that of water, so that the growth of plants is facilitated. The acidity coefficient of the ecological porous cellucotton is more than or equal to 2.3, so that the ecological porous cellucotton has good stability, is not easy to pulverize and has long service life.
The heavy metal content of the ecological porous cellucotton in the embodiment of the application is detected as shown in table 2.
TABLE 2 heavy metal content of ecological porous cellucotton
Item | First grade soil | Ecological porous cellucotton |
Mercury (Hg), mg/kg | ≤0.15 | Not detected out |
Arsenic (As), mg/kg | ≤15 | Not detected out |
Lead (Pb), mg/kg | ≤35 | Not detected out |
Cadmium (Cd), mg/kg | ≤0.2 | Not detected out |
Chromium (Cr), mg/kg | ≤90 | 41 |
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A method for applying ecological porous cellucotton to mountain afforestation is characterized by comprising the following steps:
s1, slope cleaning and leveling;
s2, spraying the foreign soil sealing layer;
s3, laying ecological porous cellucotton;
s4, spraying the seeds and the nutrient matrix layer.
2. The method for applying the ecological porous cellucotton to the mountain afforestation of the slag mountain according to the claim 1, characterized in that the specific method of the foreign soil sealing layer spray seeding is as follows: the material of the foreign soil sealing layer comprises cohesive soil, a soil curing agent, an adhesive and a granulating agent, the mixed material is added into the vehicle-mounted foreign soil spray-seeding machine to be uniformly stirred, and then the mixed material is uniformly sprayed on the slope surface of the steel slag mountain through a high-pressure pump of the vehicle-mounted foreign soil spray-seeding machine.
3. The method for applying the ecological porous cellucotton to the mountaineering greening according to the claim 1, wherein the specific method for laying the ecological porous cellucotton is as follows: ecological porous cellucotton is laid on the slope surface, and adjacent ecological porous cellucotton are laid in a close fit manner.
4. The method for applying the ecological porous cellucotton to the mountain afforestation according to any one of claims 1 to 3, wherein the specific method for spraying the seeds and the nutrient matrix layer comprises the following steps: adding the plowing and planting soil, the slow release fertilizer, the quick-acting fertilizer, the organic fertilizer, the soil improvement active bacteria, the water-retaining agent, the adhesive and the plant seeds into a soil dressing spray-seeding machine, and uniformly spraying the soil dressing spray-seeding machine on the ecological porous cellucotton to form a nutrition layer.
5. The method for greening the mountain with the ecological porous cellucotton as claimed in claim 4, wherein the nutrient layer is uniformly sprayed with planting soil to form a seed layer.
6. The method for greening the mountains by using the ecological porous cellucotton as claimed in claim 1, wherein the following steps are added between S1 and S2: and arranging a water intercepting ditch at the top of the steel slag hillside and constructing a drainage ditch at the bottom of the steel slag hillside.
7. The method for greening the mountains by using the ecological porous cellucotton as claimed in claim 1, wherein the following steps are added between S3 and S4: after the ecological porous fiber cotton is laid, the wire netting covers the ecological porous fiber cotton, and after the laying is finished, the wire netting is fixed on the steel slag hill body by using a plurality of steel bar anchor rods.
8. The method for afforesting a mountain slay according to claim 5, wherein the seed layer is covered with a fiber blanket made of straw, the seed layer is fixed and solid, watering and maintenance are carried out, and the plant is maintained every day in the emergence period.
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CN111201853A (en) * | 2020-01-13 | 2020-05-29 | 北京金隅节能保温科技(大厂)有限公司 | Plant planting method based on porous cellucotton |
CN113026770A (en) * | 2021-03-03 | 2021-06-25 | 重庆德润新邦环境修复有限公司 | Ecological management method for coal gangue dump |
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