【化】 air cleaner element
filter; sieve; strain
gas
【医】 aer-; aero-; air; atmo-; physo-; pneuma; pneuma-; pneumato-; pneumo-
implement; organ; utensil; ware
【医】 apparatus; appliance; crgan; device; organa; organon; organum; vessel
component; element; organ
【计】 E
【化】 element