短語詞組短語circuit breaker control mechanism 斷路器操作機構circuit breaker operating mechanism 斷路器操動機構circuit breaker s mechanism 斷路器機構citcuit -breaker transmission mechanism 斷路器機構傳動circuit -breaker mechanism 斷路器機構vacuum breaker 's mechanism 真空斷路器機構countermeasure for circuit breaker mechanism 斷路器機構反措circuit breaker ' s mechanism 斷路器機構circuit breaker s operating mechanism 斷路器操作機構 返回 breaker mechanism