660 kV换流变压器
660 kV converter transformer
800kV换流变压器
800 kV converter transf ormer
变压器变换
transformer transformation
换流变压器空载充电
unloaded converter transformer energized
三绕组换流变压器
Three-winding converter transformer
相数变换[变压]器
phasing transformer phase transformer
phase transformer phasing transformer
新型换流变压器
novel converter transformers
new converter transformer
new-type transformer
new type converter transformer
novel converter transformer
New-type converter transformers
自耦补偿与谐波屏蔽换流变压器
self-coupled compensated and shielding harmonic co
变流变压变频调压技术
non-constant flow and pressure water-supply techni
计器用变压变流器
combined voltage current transformers
仪表用变压变流器
combined voltage current transformer