大电流融冰法
large current ice-melting method
heavy current ice-melting method
直流融冰技术
DC-based deicing technology
DC based de-icing technology
大电流电源
strong current power source
直流大电流标准
DC Heavy Current Standard
直流大电流刀开关
large direct current knife switch
电流－电流转换器
current-current converter
短路电流融冰
ice-melting by short-circuit current
极限扩散电流技术
limiting diffusion current technique
开关电流技术
switched current technology