Under a voltage of 458 kV and a corresponding current of 40.5 kA,the double ladder cathode structure advances the output power of the device from 2.20 GW to 2.88 GW,as a result,the power conversion efficiency increases from 12.0% to 15.5%.是什么意思_Under a voltage of 458 kV and a corresponding current of 40.5 kA,the double ladder cathode structure advances the output power of the device from 2.20 GW to 2.88 GW,as a result,the power conversion efficiency increases from 12.0% to 15.5%.在线翻译_英语_读音_用法_例句