可变电压变压器  variable voltage transformer

Rosen压电变压器  Rosen piezoelectric transformer

测量用变压器电压检验  potential transformer voltage check

差电压变压器  differential transformer

大功率压电变压器  high power piezoelectric transformers

多层压电变压器  Multilayer piezoelectric 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

双电压变压器  Double-voltage transformer

压电变压器  piezoelectric transformer; piezoelectric ceramic transformer

换流变压器压器  convertor transformer

配电变压器预防性试验  preventive test of distribution transformer

10kV配电变压器  10 kV distribution transformer

变压器电路  transformer circuit

变压器电桥  transformer bridge

单相配电变压器  single-phase distribution transformer

低压电器电触头  low voltage apparatus electrical contacts

电压、电压量  voltage