gas cutting torch

例句：

1. 1. The gascutting torch was used to cutthrough the thick steel plate.
   气体切割炬被用来切割厚厚的钢板。
2. 2. The gas cuttingtorch was used to clean the surface ofthe metal.
   气体切割炬被用来清理金属的表面。
3. 3. The gas cutting torch was used tomark the location of the weldingjoint.
   气体切割炬被用来标记焊接接头的位置。