短語詞組短語electric c potential difference 電位差;電勢差relative electric potential difference 相對(duì)＜電極＞電位差contact electric potential difference 接觸電勢差electric potential difference signal 電勢差信號(hào)ED electric potential difference 電力工業(yè)new electric potential difference meter 新型電位差計(jì)Planar Electric Potential Difference Meter 板式電位差計(jì) 返回 electric potential difference