端电压互感器 potential transformer: (测量用)变压器。 auxiliary potential transformer: 辅助的变压器; 辅助电压互感器bus-bar potential transformer: 母线电压互感器bushing potential transformer: 套筒式电压互感器calibration potential transformer: 校准用电压互感器下载手机词典可随时随地查词查翻译