单项选择题
A.SD IN B.HD IN C.S-VIDEO D.AUDIO IN
A.MIC B.COM1 C.VIDEO IN D.HD IN
A.主叫呼集 B.双流 C.录播 D.多画面
A.DVI B.HDMI C.VGA D.S-video
微信扫一扫,加关注免费搜题
