• 发明公开了一种液压水下卧倒下清淤

    The invention discloses a jet pipe used for dredging below a hydraulic underwater horizontal gate. The tube body of the tube is cylindrical;

    youdao

  • 发明公开了一种液压水下卧倒下清淤

    The invention discloses a jet pipe used for dredging below a hydraulic underwater horizontal gate. The tube body of the tube is cylindrical;

    youdao

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