kv输电线路紧凑化 kv compact transmission line

kV铁路输电线路 35 kV railway transmission line

kv直流输电线路 500 kv dc transmission line ; kv dc transmission line

kV架空输电线路 35 kV overhead transmission line

kv交流输电线路 kv ac power transmission line ; kv uhv ac transmission line ; kv ac power transmission lines

kv架空输电线路 kv overhead transmission line

kv紧凑型输电线路 500 kv compact transmission line