тунельний гвинт; вентилятор в кільцевому обтічнику
duct-enclosed fan
fan exit duct
observed fire fan (OF fan)
inclosed works
fan
fan method (of reconnaissance)
inlet duct
crossover duct
crankshaft fan pulley
duct propulsion
unducted fan (engine)
fan drive propeller shaft
fan hub clutch
fan mounting bracket
fan shaft
fan-like action
fuel duct
fan-powered aircraft
air flow duct
bleed air duct
deicing air duct
fan thrust reverser
flexible duct
gas turbine engine inlet duct
perforated air duct
prop-fan engine
ram air duct
recirculation fan
riser duct
subsonic inlet duct
supersonic external-compression inlet duct
supersonic inlet duct