submerged arc welding machine

例句：

1. 1.This submerged arc welding machine is very efficient in cutting steel plates.
   这台埋弧焊机在切割钢板方面非常高效。
2. 2. The engineer used the submerged arc welding machine to repair the damaged part of the bridge.
   工程师使用埋弧焊机修复了桥梁的损坏部分。
3. 3. The submerged arc welding machine is widely used in the construction industry.
   埋弧焊机在建筑业中被广泛使用。