triple-pole single throw

例句：

1. 1.The triple-pole single throw is a crucial component in the circuit design.
   三极单掷是电路设计中的关键组成部分。
2. 2.The engineer used the triple-pole single throw to control the flow of electricity.
   工程师使用三极单掷来控制电流的流动。
3. 3.The triple-pole single throw was designed to improve the stability of the system.
   三极单掷被设计用来提高系统的稳定性。