Tool accessories should only be changed when a tool is disconnected, or unplugged from it's power source.

只有在断开连接或拔出电源插头时，方可更换工具配件。

youdao

Tool accessories should only be changed when a tool is disconnected, or unplugged from it's power source.

只有在断开连接或拔出电源插头时，方可更换工具配件。

youdao