HAD缩写的意思

DC AFOC EM AS IPCC UKWAS APC IAQ SM ACODS MP THC OHS RU ESS PER FFCS SR APL LOI EI CFC LJ NFPARR TS FRS TPES SBR DIL OSUCFM ARIS PEL DOW EOC NFAP PS APFTPOS APN AR AC RORSAT AHGOLEOD ES WWTS API C&T FCLPRC ED EGR SE MPN AT P.E.O. WBGT PEFC ASBL ETC FFES TSP CASS