гніздо обтюратора
ejection seat / ejector seat
two-seat / two seat
single-seat / single seat
spot check (spot- check)
gas check
gas check band
gas-check ring
gas-check pad
gas gun; (tear) gas launcher
bearing seat
single seat aircraft
seat
bump-seat
rear-seat crewmember
trunnion seat
co-pilot's seat
annular 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
hammock seat
height-adjustable seat
hot seat
valve seat
pilot seat