“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	primary energy primary environment primary environment; original environment primary etching primary explosive primary extension primary extraction primary factor primary feed primaryfermentation primary field primary [fission] fragment primary fission fragment primary fission product primary fissure primary flaw primary focal point primary follicle primary fossil primary fragment primary frequency standard primary gas thermometry primary glass making primary glaucoma primary glomerular disease

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