hot wire welding

例句：

1. 1. This hot wire welding machine is very efficient in cutting metal.
   这台热焊机在切割金属方面非常高效。
2. 2. The hot wire welding process is used to join metal together quickly and easily.
   热焊过程被用来快速且容易地将金属连接在一起。
3. 3. Hot wire welding is a common method for joining metal parts together.
   热焊是一种常见的将金属零件连接在一起的方法。