A.18 B.17 C.15 D.16
A.正負5度 B.正負1度 C.正負10度 D.正負3度
A.172.27.245.(30+槽位+1) B.172.27.245.(90+槽位+1) C.172.27.245.(50+槽位+1) D.172.27.245.(70+槽位+1)