f.i.w.缩写的意思

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