单项选择题
A.STM-1 B.FR C.FE D.E1
A.SPB2+DRTB2(GUP2) B.SPB2+BIPB2(GUP2) C.CMP+OMP D.CMP+GUIM
A.16 B.15 C.14 D.12
A.64*2 B.63*2 C.32*2 D.31*2
微信扫一扫,加关注免费搜题