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
高压直流电流
high voltage direct current
交流/直流电弧法
AC/DC arc discharge method
强电流直流扩展弧
High current extended DC arc plasma
强电流直流伸展电弧
high current DC extended arc plasma
high current extended DC ARC
数控直流电流源
Digital controlled DC current source