potential switch

例句：

1. 1. The potential switch is responsible for the automatic shut-off of the lights when they are not in use.
   这个潜在的开关负责在灯不使用时自动关闭。
2. 2.When the temperature drops, the potential switch activates a heating system to keep the house warm.
   当温度下降时，潜在开关激活供暖系统以保持房屋温暖。
3. 3.The potential switch was designed to prevent overheating and ensure safety during extreme weather conditions.
   潜在开关的设计旨在防止过热并确保在极端天气条件下的安全。