GTU缩写的意思

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