PS缩写的意思

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