OPP缩写的意思

ET IR AB HR LV PIB LSADO ACC SOS PBA POR CSRI GR ENBA ECT SiO2 EMA NPGDA CR AMI ANBA DOA NBD Rn Phth PAEK PRFT DOTP ABR PBI IO3 TFE ETFE DMT HMQC PI VS CT FS E/VAC APPI AR PSE LC PA DHXP 2DFTS ELINCS PIT HAV abs SCR FSI TPR ECVM AN-BU IOMC AS Dacthal Bi