高压大功率直流电源
high voltage and high power DC supply
大功率直流电机驱动器
high-power DC motor drive
大电流电源
strong current power source
大功率电源
high power supply
High efficiency power source
electric source with large power
高压交流大功率电动机
high voltage AC heavy duty motor
直流大电流标准
DC Heavy Current Standard
直流大电流刀开关
large direct current knife switch
低功率直流电磁继电器
low power DC electro-magnetic relay
小型小功率直流电磁继电器
miniature low power electromagnetic DC relay
数控直流电流源
Digital controlled DC current source
直流电流-电压特性
DC current-voltage characteristics
直流电源电路
Direct current of stable voltage circuit