A.打印機(jī) B.顯示器 C.繪圖儀 D.鍵盤
A.193.102.0.1 B.191.5.100.20 C.125.10.20.30 D.128.5.100.1
A.125.10.20.30 B.191.5.100.200 C.193.102.0.1 D.202.103.96.68