PTF缩写的意思

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