mercury switch
英 [ˈmɜːkjəri swɪtʃ]
美 [ˈmɜːrkjəri swɪtʃ]
（美）水银开关
双语例句
- From small scaled refresh battery, mercury switch, small scaled two give out light a light, fiber-optic made-up external appearance very much.
由小型充电电池、水银开关、小型二极发光灯、光纤作成的外观。 - Float operated explosion-proof mercury switch
浮子操动防爆水银开关 - One end of the cable is permanently connected to the enclosed mercury switch and the entire assembly is encapsulated to form a completely watertight and impact resistant unit.
电缆的一端永久性连接在封闭的水银开关内，这个完整的密封总装形成完全不透水、抗撞击装置。