Ry缩写的意思

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