BTU缩写的意思

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