кільцеподібне гніздо
ejection seat / ejector seat
two-seat / two seat
single-seat / single seat
can-annular burner / combustion chamber
annular double-row ball bearing
annular gas sealing grooves
annular gear
annular single-row ball bearing
annular single-row shielded ball bearing
annular wide roller bearing
annular cascade
annular combustion chamber
annular exhaust nozzle
double annular combustion chamber
annular aerofoil
bearing seat
single seat aircraft
seat
bump-seat
rear-seat crewmember
trunnion seat
co-pilot's seat
bead seat
bullet seat
bullet-seat cannelure
bullet-seat of barrel
commander's seat
detachable valve seat
driver's seat
driver's seat carriage
valve seat grinder
valve seat lock