RS缩写的意思

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