短語詞組短語power -line terminal 電源接線端子power r line 輸電線;電力線;電源線power r line fittings 電力線配件constant power dissipation line 恒定功耗線parallel power transmission line 并行輸電線路hv power transmission line 高壓輸電線路Aerial Power Transmission Line 架空送電線路power supply line design 供電線路設計 返回 power line