• 水泥混凝土排水管道柔性接口方式进行对比分析

    It is concluded that the adoption of the pipeline anti-corrosion and flexible joint is an effective way to prolong the service life of cement concrete drains.

    youdao

  • 水泥混凝土排水管道柔性接口方式进行对比分析

    It is concluded that the adoption of the pipeline anti-corrosion and flexible joint is an effective way to prolong the service life of cement concrete drains.

    youdao

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