常见例句雙語例句The Breaker can be attached with shunt tripping device, undervoltage tripping device, auxiliary contacts, alarm contacts and motor-operated drive.斷路器可以加裝分勵脫釦器、壓脫釦器，輔助觸頭，報警觸頭和電動操作機搆。 返回 undervoltage tripping