LDB缩写的意思

SRS IAF Z ADC ADI ACTC ADS AA AICARDES FP GMSS boil SLR TUC PRD sif PFMEA D-Day OSHL DJ ACCAUD DSS CCTT Phil AS naut aar ASN IFLA AR IAU BS PRD NESRI DIDMCA AIC BP WMIC MC LDB AYH HSUS CMRS CAS CIP Demo PIR SD ONG NHA ARU RBV RH vis DCT CNKI PI PMRC CRl CBE