shorting-contact switch

例句：

1. 1. The circuit breaker is designed to protect the system from short-circuits.
   电路断路器的设计是为了保护系统免受短路。
2. 2.The engineer used a short-circuit contact switch to test the new circuitry.
   工程师使用短线接触开关来测试新的电路。
3. 3.During an electrical storm, it's important to ensure that all short-circuit contact switches are functioning properly.
   在电气风暴期间，确保所有短线接触开关正常工作是很重要的。