摘要
介绍了对供水管道带压补焊采取的塞砸焊接法，套螺丝焊接法，加套焊接法的操作方法及注意事项。实践表明，这三种带压补焊方法效果很好。
Repair welding on water supply pipeline with pressure can be done by using techniques of plug welding, screwing welding and casing welding. The operation and attentive items of three techniques are introduced. Practice shows that they are quite effective.
出处
《河南石油》
1997年第6期40-40,共1页
Henan Petroleum
