tin discharge

例句：

1. 1. Tin arc welding is a process used to join metals together using a low-voltage electric current.
   锡弧焊接是一种使用低电压电流将金属连接在一起的过程。
2. 2. Tinsolder discharge occurs when the soldermelts and flows onto the surfaceof the workpiece.
   锡焊丝放电发生在焊料熔化并流到工件表面时。
3. 3. During tin arc welding, the molten tin is drawn intothe gap between the workpiece and theelectrode by an electric current.
   在锡弧焊接过程中，通过电流将熔融的锡从工件和电极之间的间隙吸引过来。