under-water welding

例句：

1. 1. The engineersused underwater welding to repair the damaged ship.
   工程师们使用水下焊接来修复损坏的船只。
2. 2. This method is particularly useful for underwater welding operations.
   这种方法特别适用于水下焊接操作。
3. 3.The team successfully completed the underwater welding project on time.
   团队成功地按时完成了水下焊接项目。