电力牵引供电系统电源
power supply from electric traction feeding system
微机电系统设计
micro-electro-mechanical system design
1500 V直流供电系统
1500 V DC power supply system
20 kV供电系统
20 kV power supply system
20kV供电系统
20 kV power supply system
660V 供电系统
660 V distribution network
AT供电系统
AT power supply
autotransformer feeding system
AT power supply system
AT traction power supply system
AT-fed system
DC110V供电系统
DC110V power supply system
DC1500V牵引供电系统
DC 1 500 V traction power supply system
DC600V供电系统
DC 600 V power supply system
变流器供电系统
Converter power supply system
不间断供电系统
uninterruptible power system
UPS
uninterrupted power supply
长线供电系统
Power Supply System with a Long Line