low-tension switch

例句：

1. 1. The low-tension switch is used to control the flow of electricity.
   低张力开关用于控制电流的流动。
2. 2. In this circuit, the low-tension switch is responsible for detecting when the current exceedsa certain level.
   在这个电路中，低张力开关负责检测电流是否超过一定水平。
3. 3. The low-tension switch is an essential component in many electrical systems.
   低张力开关是许多电气系统中不可或缺的组件。