输电线: electric lineelectric transmission lineelectrical linefeedergrid power lineliving wirepower cordpower leadpower mainspower transmission linetransmission line
输电线损耗: transmission line lossestransmission-line loss
高压输电线: high tension power linehigh tension power transmission linehigh tension transmission linehigh voltage transmission linehigh-voltage linehigh-voltage transmission line
输电线载波: plc power line carrierrplc= power line carrierpower line carrier
主输电线: [电工] electric main; main; power transmission line; trunk transmission line