同步电阻器中间抽头连接器图表
synchronizing resistor tap connection chart
直流电源电路
Direct current of stable voltage circuit
直流电源
DC power source
direct-current power supply
direct current power supply
AC supply
DC power
DC supply
DC power supply
DC electrical source
direct current system
On-line Supervised and Control System
direct current power source
Direct current power
Direct current
DC
DC source
direct supply
DC mains
蓄电池直流电源
accumulator direct current supply
直流电动机调速电源
Speed Control Power Supply for DC Motor