一次: once输电: transmission; transmit elect ...的: 4次方是 The fourth power of 2 i ...馈电线: feeder line; feeder; supply ...一次输电线: primary transmission line二次输电: subtransmission输电线: electric line; electric transmission line; electrical line; feeder; grid power line; living wire; power cord; power lead; power mains; power transmission line; transmission line输电线;输电缆: transmission line二次输电网络: subtransmission network; subtransmissionnetwork馈电线: feeder line; feeder; supply line; feed line; transmission line; feeder bus-bar; supply lead◇馈电线夹 [电工] feeder ear; 馈电线绝缘子 feeder insulator; 馈电线控制板 feeder panel一次输入: primary input输电线;高压电线: power line对称馈电的: centre fed; centre-fed; centre-feed中心馈电的: center-fed; centre-fed半波输电线: half wave transmission line长输电线路: long power transmission line长途输电线: long distance transmission line超导输电线: superconducting line; superconductingline单路输电线: back valve; check valve; one-way transmission line地下输电线: underground transmission line电力线,输电线: power line仿真输电线: artificial transmission line高压输电线: high tension power line; high tension power transmission line; high tension transmission line; high voltage transmission line; high-voltage line; high-voltage transmission line架空输电线: overhead tra mi ion line; overhead transmission line耐雷输电线: lightning resistant power line