线路供电单元 Line power unit
供电线路 power supply circuit ; power supply line ; supply line ; Electric supply line
供电线路改造 Electricity Repairing ; power line reconstruct
辐射形供电线路 radial supply line
线路交换电源供应器 line switching power supplies
飞机供电线路调节器 aircraft power line conditioner
旁路供电线 by-pass feeder
牵引供电线路 TLSP Traction power supply line
供电线路及路灯 power supply line and road lamps
该改进极大提高了馈线路供电的安全性及可靠性。
With this modification, the security and reliability of power supply of feeders were improved significantly.
琴：我现在看到他们在轨道上运行，并由架空电力线路供电。
Jean: I I see now that they ride on tracks and are powered by overhead electric lines.
错误的供电线路是房屋火灾的主要原因。
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