EL缩写的意思

PD MTO L. GWS WP MMC FNP S/S C.W C/L FFM WMSP. SZ. SAP S.P. BTM. ST MAT. B.D Ram YH PV FE FOA ASTMC.W.F.P. SC CTF B/G LOA Ly CS l. TR DF AQL a.s. D. NK. TSN TL SS W.L. JKT. GOH SNP SA P.P. DN NWL T/S RHT HSP BR TOT L. RN. B.C. T. V. B.S.