钥匙开关 meaning in Chinese
key operation
key switch
key-operated switch
keytch
lock switch
Examples
- Keylock switches with high safety and control
具有高度安全性及控管的钥匙开关 - The service function of assigned floor can be cancelled by manual to timer switch
通过转动安装在特定楼层上的钥匙开关（可选择） ，可对某些层站停止服务。