hot-short iron

例句：

1. 1.The hot-short iron is used for cutting and shaping metal.
   热短铁用于切割和成型金属。
2. 2. The hot-short iron was invented by a famous scientist.
   热短铁是由一位著名的科学家发明的。
3. 3.The hot-short iron can be used to weld different types of metals together.
   热短铁可以用来焊接不同类型的金属。