全电压起动电动机
full voltage starting motor
full starting motor
可变电压变压器
variable voltage transformer
直接全压起动
line start
direct full-voltage starting
direct full voltage start
Rosen压电变压器
Rosen piezoelectric transformer
变电压供电
power supply via voltage alteration
测量用变压器电压检验
potential transformer voltage check
大功率压电变压器
high power piezoelectric transformers
多层压电变压器
Multilayer piezoelectric transformer
辅助供电变压器
auxiliary service transformer
恒电压变压器
constant voltage transformer
加减电压变压器
buck and boost transformer
盘式压电变压器
disk-type of piezoelectric transformer