geosynthetics polyvinyl chloride geomembrane
聚氯乙烯土工膜 geosynthetics polyvinyl chloride geomembrane 人工 1.(人为的) artificial2.
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Polyvinyl chloride geomembrane
... geosynthetics geomembrane nonwoven 主要产品和服务 Polyvinyl chloride geomembrane 聚氯乙烯土工膜 geomembrane seepage protection dam 土工膜防渗坝 ...
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