“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	land tenure disputes land tenure management land title land to the tiller land transaction land transfer land transport land treatment of wastewater from livestock and poultry farms land treatment system land trust land type land type map land unit landup performance of carrier-based aircraft land usage permit system land use land use and cover change Land Use and Land Cover Change Project land use arrangement planning of central city area land use classification land use control land use control system land use conveyance land use degree land-use density

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