power wiring和power line

power wiring和power line AC Line－Power Cords和Line－Power switch中的Line怎么翻译? hitting a power line POWER,LINE,LINK, 英语翻译AND TEST THAT THE POWER IS OFF BEFORE WIRING. power line disturbance什么意思 electric wires 和 power line有什么区别 power-walk和power-lunch是什么意思? power failure和Power Cut的区别 关于work 和 power 请问VOX和power power is power是什么意思