AT缩写的意思

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