单项选择题
A.BSC B.MSC C.HLR D.VLR
A.890M――915M B.935M――960M C.875M――900M D.900M――925M
A.IAI B.ACM C.CM_SERV_REQ D.ASSIGNMENT_REQ
A.CUG B.CALL WAITING C.CALL LINE IDENTIFICATION D.CALL FORWARD
微信扫一扫,加关注免费搜题
