基本解釋[動力與電氣工程]建築物主乾纜線英漢例句雙語例句The outside building cable is also referred to as the communication system backbone.建築物外部佈線也歸爲(wèi)通信系統(tǒng)中樞。building backbone cable更多例句專業(yè)釋義動力與電氣工程建築物主乾纜線