PI缩写的意思

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