rectifier type arc welder

例句：

1. 1. The rectifier-type arc welder is used to repair electrical equipment.
   整流式电弧焊机用于修理电气设备。
2. 2.The rectifier-type arc welder is an essential tool for electricians.
   整流式电弧焊机是电工必备的工具。
3. 3. The rectifier-type arc welder is used to connect wires and conduct electricity.
   整流式电弧焊机用于连接电线并传导电流。