cones
boss mounted
end thread
fitting end thread
legprev
mfr date
preserver mfr
乘务
adverdent
fuze pattern
function-graded material
technical data support and services
functionally-shaped controls
fumble factor
fully trainable launcher
fully feathering
fully factored
full lift
False Targets
full lateral
full IFR touchdown
full arctic clothing
fuel rich propellant
Page chime
fuel overflow flexible hose
reference detent number
fuel detonation suppressant system
fault tolerant spacecraft[spaceborne]computer
tail take off
sub state
sub-state
vent mode
fan turb ineinlet temperature
.fault treean alysis
BIT circuit
duct leak and overheat detection system
landing field\
landing field pressure
FRWG
programmed time period
front unlocking cam