• The present invention relates to one kind of high-strength composite plastic pipes with foamed layer and with high strength obtained through stretch and orientation of polymer molecules.

    发明提供了靠聚合物的高分子拉伸定向来增加强度无机填料塑料强度复合塑料管

    youdao

  • The present invention relates to one kind of high-strength composite plastic pipes with foamed layer and with high strength obtained through stretch and orientation of polymer molecules.

    发明提供了靠聚合物的高分子拉伸定向来增加强度无机填料塑料强度复合塑料管

    youdao

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