单项选择题
A.DBIOB.IDSAC.PDSAD.zxhlr_mi
A.CMM—SWBB—OMP—PPB.CMM—OMP—SWBB—PPC.OMP—CMM—SWBB—PPD.CMM—OMP—PP—SWBB
A.10000/次B.1000/次C.100000/次D.100/次