常見(jiàn)例句雙語(yǔ)例句The protective relay is a sensing device, which senses the fault, determines its location and then send command to the proper circuit breaker by closing its trip coil.保護(hù)繼電器是一個(gè)傳感裝置，感官的過(guò)錯(cuò)，確定其位置，然后發(fā)送命令關(guān)閉其旅行線(xiàn)圈到正確的斷路器。 返回 circuit closing device