单项选择题
三相桥式电压型逆变电路，若将假想中点N‘从直流侧两个电容的中点移至直流母线负极性点，以下哪段描述是正确的？（）
问答题 汽油喷射发动机与化油器式发动机相比主要有那些优缺点？
未知题型 The Maritime Silk Road, also known as the "21st Century Maritime Silk Road" is a complementary initiative aimed at investing and fostering collaboration in West Asia, Oceania, and North Africa.
未知题型 10-古罗马最具代表性的神庙是( )
