FTTB缩写的意思

IM DVVI FCN APADAS MADP EWT EEROM AFC IOB GIMM AJG CTDM DFSK STB DPON EF mcu FED IS-IS QDOS RAID DTD GPS CPM ESC UMTS DS Bps DCT SFB ETE ppm CC CNCC S3 ASI EAF AP CAI SOC GDPS CRC SSM EFCI DCN ASC DL DFOS EELS NCBA CICS DTP APARS CSE RIP NDS CPS DVC SSG ABDL