短語(yǔ)詞組短語(yǔ)differential protection current transformer 差動(dòng)保護(hù)電流互感器DPCT Differential Protection Current Transformer 差動(dòng)保護(hù)電流互感器direct current differential transformer 直流差接變壓器Current Differential Transformer 直流差接變壓器 返回 differential current transformer