叙述了带水带压使用导气导流法，辅以快速堵漏剂进行维修的新方法。

By this way the burst cement pipe could be repaired under water flow with working pressure.

youdao

叙述了带水带压使用导气导流法，辅以快速堵漏剂进行维修的新方法。

By this way the burst cement pipe could be repaired under water flow with working pressure.

youdao