3路输出直流-直流变换器
three output DC-DC converter
变流变压变频调压技术
non-constant flow and pressure water-supply techni
变压器偏磁
transformer’s deflected magnetic
transformer magnetic bias
计器用变压变流器
combined voltage current transformers
双向直流变直流换流器
bi-directional DC–DC converter
仪表用变压变流器
combined voltage current transformer
直流变流器
DC current transformer
DC transformer
continuous current transformer
direct-current transformer
DC converter
直流变压器
umformer
d-c transformer
direct current transformer
DC-DC transformer
DC potential transformer