1PPM缩写的意思

MPI CL f.i.w. PM SA DT&E NB ATC TFV OHC C.I.F.E. RTCM APC CVT S/O OX1 TCLU VICS ISSC TAP RC UHVI TDOP MIL f.i.o.s. BIMCO SLS CCD AC c/- CCL IMC VRCV FAS EBD HB/L M/F VASI FPA HO MPFI S/P D/R B/N HERMES ASR SUV C/E SP ST 1PPM AFR TVO SSS HPF SCR HAI AMI MCS f.0.w.