пружний канал
flexible control
flexible gun
flexible response
flexible response strategy
flexible ball mount
flexible coupling
flexible-fire mission
flexible pavement
flexible spout
swift and flexible changes from one formation to the other
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
gas turbine engine inlet duct
perforated air duct
ram air duct
riser 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