名词
中文翻译：主供应开关
同义词：
['main switch', 'primary switch']
例句：
-
1.The main supply switch is located in the control room.
主供应开关位于控制室。
-
2. The main supply switch controls the power to all the rooms in the building.
主供应开关控制着大楼所有房间的电力。
-
3. The engineers were instructed to replace the main supply switch immediately.
工程师被指示立即更换主供应开关。