• The water-plugging device of large diameter tube used for water-finding comprises a water-plugging gas bag arranged circulating the frame, an inlet pipe or a discharge pipe is arranged in the frame.

    这种口径管道试水堵水基本结构包括环绕支架设置的堵水 气囊,支架上设置进水管排气管

    youdao

  • The water-plugging device of large diameter tube used for water-finding comprises a water-plugging gas bag arranged circulating the frame, an inlet pipe or a discharge pipe is arranged in the frame.

    这种口径管道试水堵水基本结构包括环绕支架设置的堵水 气囊,支架上设置进水管排气管

    youdao

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