“four quadrant rectifier”的概念、定义、翻译、参考文献-科学参考

单词	four quadrant rectifier
释义	four quadrant rectifier Encyclopedia 工学轨道交通车辆电力电子变换设备释 four quadrant rectifier四象限整流器电动车辆上安装的可以将电能从交流接触网侧馈入到直流侧，也可以将电能由直流侧回馈到交流接触网的电力电子设备。又称PWM整流器。
随便看	urban transport infrastructure Urban Transport of China urban TV drama urban underground space urban underground space development and utilization urban underground space planning urban units and residential areas in China Urbanus urban utility tunnel urban vegetation urban vegetation engineering urban vegetation restoration urban village urban village renovation urban visualization urban water consumption urban waterlogging prevention and control urban water supply sources planning urban water supply system planning urban water system urban weed community urban wetlands urban wind field urban yellow line Urban Zoning Theory

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