pipe cutting and threading machine

例句：

1. 1. This pipecutting and threading machine is very efficientin cutting pipes.
   这台管道切割和螺纹加工机在切割管道方面非常高效。
2. 2. The pipe cutting and threading machinewas used to make the pipes for thenew building.
   这台管道切割和螺纹加工机被用来为新建筑制作管道。
3. 3. The pipe cutting and threading machineis a crucial tool for the construction industry.
   管道切割和螺纹加工机是建筑业的一个关键工具。