Er缩写的意思

EPI DSPS ABIC PRL SGOT NCCLS ASOM AUG ASS APLL INCB OTC AO MA ABY NSA U.S.P. PLT/BPC IWP ROH BWP AC PICP OT MAS ALM DL AACG APCF ATR ABE DDC SCM AEB AACC dm TDA CSCO AOSC GDP N.F. TC LMA An ECU APC URO ACLA PH Tab C IIS LTP HB IECG STD DEXA VM SPZ CHO