• As a new joist technique of concrete pipe pile, the prestressed concrete pile mechanical bond express joint has been used in engineering nowadays.

    预应力混凝土管桩机械快速接头作为一种新型管桩连接技术近年工程中时有使用

    youdao

  • As a new joist technique of concrete pipe pile, the prestressed concrete pile mechanical bond express joint has been used in engineering nowadays.

    预应力混凝土管桩机械快速接头作为一种新型管桩连接技术近年工程中时有使用

    youdao

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