A dynamic voltage restorer (DVR) instly reacts to drop in line voltage and restores missing portion of waveform from an energy storage device (eg.battery).是什么意思_A dynamic voltage restorer (DVR) instly reacts to drop in line voltage and restores missing portion of waveform from an energy storage device (eg.battery).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句