змінне сідло клапана
ejection seat / ejector seat
two-seat / two seat
single-seat / single seat
valve seat grinder
valve seat lock
valve seat
detachable
detachable cylinder head
detachable magazine
detachable plate
detachable rubbing plate
detachable side lock
detachable swivel
detachable wing panel
wheel detachable flange
quick detachable
quick-change (detachable) barrel
check valve / non-return valve
non-return valve / check valve
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