High - density polyethylene ( HDPE ) double - wall corrugated pipe is a new type of pipe with excellent performance.

高密度聚乙烯 ( HDPE ) 双壁波纹管是一种新型管材,具有优良的管道性能.

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This sewage pipeline uses HDPE double - wall corrugated pipe, gravel stratum foundation and U - type rubber washer joint.

该污水管采用HDPE双壁波纹管, 砂砾垫层基础,U型橡胶圈接口.

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