• The present invention is one kind of automatic servo mechanism for winding and unwinding flexible pipe, and belongs to the field of machine making technology.

    发明柔性管线自动伺服机构属于机械制造领域

    youdao

  • Polyethylene wall pipe with winding structure used in pipe jacking technology without slot is a specific material which can be applied to pipe jacking without slot on the ground.

    埋设技术聚乙烯缠绕结构管材专用一种适用于地面不开槽,进行顶管施工的管材原料的专用料。

    youdao

  • Polyethylene wall pipe with winding structure used in pipe jacking technology without slot is a specific material which can be applied to pipe jacking without slot on the ground.

    埋设技术聚乙烯缠绕结构管材专用一种适用于地面不开槽,进行顶管施工的管材原料的专用料。

    youdao

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