单项选择题
A.快速晶闸管B.MOSFETC.IGBTD.逆导晶闸管
A.0B.1C.2D.3
A.30°B.90°C.60°D.120°
A.GTRB.MOSFETC.IGBTD.电阻
微信扫一扫,加关注免费搜题