field weld

例句：

1. 1. The field welding operation was completed in record time.
   现场焊接作业在预定时间内完成。
2. 2. The engineers used a special tool to perform the field welding.
   工程师们使用一种特殊的工具来进行现场焊接。
3. 3. Field welding is an important part of the construction process.
   现场焊接是建筑过程中的一个重要环节。