Plastic Blind Ditch
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CHANGFENG Underground Drainage PermeablePlastic blind ditch is composed of a plastic core wrapped in filter cloth outside the body. The plastic core is mainly made of thermoplastic synthetic resin as ...view more
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Random Filamentous Highway and RailwayPlastic blind ditch is composed of a plastic core wrapped in filter cloth outside the body. The plastic core is mainly made of thermoplastic synthetic resin as ...view more
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