10kV架空绝缘电缆
kV overhead insulated cable
10 kV overhead insulated cable
220kV架空线路
220 kV overhead transmission line
35kV架空输电线路
35 kV overhead transmission line
35kV架空送电线路
35kV overhead transmission lines
8字形架空光缆
Figure-8 Aerial Fiber Optic Cable
半绝缘架空地线
half-insulated overhead ground wire
传统架空地线
Traditional earthing wire
大截面架空导线
large size overhead conductor
带电更换架空地线
live replacing of overhead earth wire
底层架空建筑
bottom overhead construction