10kV电力系统
10kV Electric Power System
500kV电力网
500 kV electric power grid
66kV电力变压器
66 kV electric power transformer
66kV电力系统
66kV elelctric power system
6轴交流传动电力机车
six-axle AC electric locomotive
HomePlug电力线联盟
HomePlug Powerline Alliance
北京电力高等专科学校化学工程系
beijing electric power college chemistry department
备用电力变压器
auxiliary power transformer
变结构电力系统
power system with variable structure
变结构与参数电力系统
Power Systems with Variable Structures and Parameters
并联电力电容器保护
Protection of Shunt Power Capacitor
并联电力有源滤波器
shunt active power filter