直流双臂电桥
direct current two-arms bridge
直流电流-电压特性
DC current-voltage characteristics
直流双电桥
The two bridges of direct current
3路输出直流-直流变换器
three output DC-DC converter
变压器中性点直流电流
transformer neutral DC current
不对称交流-直流电镀
asymmetric AC-DC electroplating
定直流电流控制
constant dc current control