SOS缩写的意思

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