LO缩写的意思

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