短語詞組短語potential l transformer 變壓器;電壓互感器potential current transformer 電壓電流互感器high voltage potential transformer 高壓電壓互感器calibration potential transformer 校準(zhǔn)用電壓互感器busbar potential transformer 母線比壓器outdoor potential transformer 戶外型電壓互感器direct current potential transformer 直流比壓機(jī)machine potential transformer 機(jī)端電壓互感器ground potential transformer 接地形計(jì)器用変圧器 返回 potential transformer