短語詞組短語DC millivolt potentiometer 直流毫伏電位計(jì)DC Comparator Potentiometer 直流比較儀式電位差計(jì)檢定槼程high tension DC potentiometer 高壓直流電位差計(jì)nce dc potentiometer 恒定電阻直流電位計(jì)DC comparison type potentiometer 直流比較式電位差計(jì)constant -resistance dc potentiometer 恒定電阻直流電位計(jì) 返回 DC potentiometer