同根派生 electronic voltmeter相關(guān)詞英漢例句The voltmeter shows that there is an electric current.電壓表顯示有電流通過。This paper analysed the uncertaities of voltmeter in calibration by potentiometer.分析了用電位差計(jì)檢定電壓表時(shí)的不確定度。electronic voltmeter更多例句