天线断路器
antenna disconnect switch
aerial circuit breaker
电路断路器分流跳闸线圈
circuit breaker shunt trip coil
紧急线路断路器
emergency circuit breaker
紧急线路断路器锁定
emergency circuit breaker lockout
铲运机发动机电路断路器
scraper engine circuit breaker
电路断路器辅助触点
circuit breaker auxiliary contact