вертикальний короб
duct-enclosed fan
duct-inclosed fan
fan exit duct
inlet duct
crossover duct
duct propulsion
fuel duct
air flow duct
bleed air duct
deicing air duct
flexible duct
gas turbine engine inlet duct
perforated air duct
ram air duct
subsonic inlet duct
supersonic external-compression inlet duct
supersonic inlet duct
supersonic internal-compression inlet duct
air duct recovery
air inlet duct
dust filter inlet duct
exhaust duct
launch duct
duct
guidance ground-conditioning duct
air intake duct
duct tape