单项选择题
A.IGBT B.晶闸管 C.GTR D.GTO
A.晶闸管 B.GTO C.GTR D.IGBT
A.1904 B.1914 C.1905 D.1915
A.AC/DC B.DC/DC C.DC/AC D.AC/AC
微信扫一扫,加关注免费搜题