L/L缩写的意思

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