PTOS缩写的意思

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