double-throw disconnecting switch

例句：

1. 1. The double-throw disconnecting switch is used to prevent power from flowing through a circuit when the circuit is open.
   双掷断路器开关用于防止在电路断开时电流通过电路。
2. 2.The double-throw disconnecting switch is essential for maintaining safe electrical systems.
   双掷断路器开关对于维护安全电气系统至关重要。
3. 3.The double-throw disconnecting switch is designed to provide a reliable and efficient way to disconnect power when needed.
   双掷断路器开关旨在提供一种可靠且高效的断电方式，当需要时使用。