water cooled welding torch

例句：

1. 1. Theengineer used a water-cooled welding torch to cut through the metal.
   工程师使用水冷式焊接枪切割金属。
2. 2.The construction crew was using a water-cooled welding torch to repairthe damaged pipe.
   建筑工人正在使用水冷式焊接枪修复损坏的管道。
3. 3. Thewelding technician carefully positioned thewater-cooled welding torchand started the process.
   焊接技师小心翼翼地放置水冷式焊接枪，开始这个过程。