常見例句雙語例句Communication network is concerned on system power supply, wire select, network top and earthing.通信組網(wǎng)主要涉及系統(tǒng)供電、線纜選擇、線路拓撲和接地等。Earthing wire connects the metal out jacket of the optical fiber cable the metal intensive core. Easily connect broke.具有接地線與光纜金屬外護套與金屬加強芯可連可斷的功能；Earthing wire connects the metal out jacket of the optical fiber cable and the metal intensive core. Easily connect and broke.具有接地線與光纜金屬外護套與金屬加強芯可連可斷的功能； 返回 earthing wire