架空: built on stilts; be without ...通信: communication; communicate b ...线路: circuit; line架空通信线路针式瓷绝缘子: pinnsulators of ceramic material for overhead telegraph liness单通信线路: single communication line光通信线路: optical communiation link; optical communication line; optical communication link通信线路: communication circuit; communication link; loc line of communication; telecommunication line空间通信线路, 宇宙通信线路: space communication link报知通信线路: warning line船间通信线路: ship to ship link; ship-to-ship link点间通信线路: point-to-point circuit电视通信线路: television link多点通信线路: multi-point circuit复合通信线路: composite communication link光学通信线路: optical communication link海上通信线路: sea lines of communication航天通信线路: space communication link后方通信线路: rear link激光通信线路: laser communication link; laser link交换通信线路: switched communication line军事通信线路: military channels宽带通信线路: wbcl wideband communications line内部通信线路: intercommunicating line; internal communication circuit声音通信线路: audio communication line数据通信线路: data link