同义词
1)emergency source breaker switch,应急电源断路器开关2)emergency source breaker,应急电源断路器3)emergency source circuit breaker,应急电源电路断路器4)es emergency source breaker auxiliary contact,紧急停车开关紧急电源断路器辅助触点5)emergency source switch,应急电源开关6)A circuit breaker.,开关电路断路器
