The suggested system consists of high frequency(HF) resonant inverter,HF transformer and HFAC pulse density modulation (PDM) converter.是什么意思_The suggested system consists of high frequency(HF) resonant inverter,HF transformer and HFAC pulse density modulation (PDM) converter.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句