overhead transmission line [電] 架空輸電線；高架輸電線路overhead transmission gear 架空傳動裝置overhead transmission 天軸overhead traffic light signal [政治學]架空交通燈overhead telecommunication line [土木建築工程]架空電訊線路overhead system 架空系統(tǒng)overhead stacking crane [機械工程]橋式堆垛起重機overhead spending variance [經濟學]間接費耗用差異間接費用開支差異overhead road [交] 高架道路overhead railway 高架鉄路，架空鉄道overhead projector n. 高射投影儀overhead process camera [經濟學]上梁式攝影機overhead power transmission line [電子、通信與自動控制技術]架空輸電線路[交通運輸工程]架空電力線overhead power transmission [動力與電氣工程]架空輸電overhead power line fitting [動力與電氣工程]線路金具overhead power line 架空電力線路overhead position welding 仰銲overhead line crossing overhead line 架空線路；架空琯道overhead light 頂燈，高架照明燈