high-low voltage relay

例句：

1. 1.The high-low voltage relay is usedto switch power between different circuits.
   高低压继电器用于在不同电路之间切换电源。
2. 2. Thehigh-low voltage relay is an essentialcomponent in electrical systems.
   高低压继电器是电气系统中不可或缺的组成部分。
3. 3. The high-low voltagerelay is responsible for detecting and isolating faults in the electrical system.
   高低压继电器负责检测和隔离电气系统中的故障。