phase inverter短语¹⁴⁴⁹⁷²⁺² 基本例句 n.倒相器 This paper presents the recent development of the quasi- resonant DC link three- phase inverter and discusses the advantages and disadvantages of every circuit. 对谐振直流环节逆变器电路的拓扑结构的最新发展和应用做了简要的介绍，并对每一种电路的优缺点进行了分析。 cnki