P/B缩写的意思

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