high-tension switch, heavy-current switch
【电学】强电流开关设备（大电流开关设备）
heavy-current switchgear (power current switchgear)
暂无补充释义。
heavy-current switchgear (power current switchgear)
暂无补充释义。
high-tension switch, heavy-current switch
heavy-current switch
heavy-current low-voltage electrical apparatus【电】