flash butt welder

例句：

1. 1.The flash butt welder was used to repair the damaged parts of the car.
   闪光焊机被用来修理汽车损坏的部分。
2. 2. The engineer used the flash butt welder to quickly fix the leaky pipe.
   工程师使用闪光焊机快速修好了漏水的管道。
3. 3. The flash butt welder is a useful tool for metalworking.
   闪光焊机是金属加工中的一种有用的工具。