【化】 空气淘析

air borne

cross-current classifier, gravity air separator, aspiration duct, inertial separator

spray deflector air-cushion vehicle

air brake (air braking surface)

hot-air bath, cold-air bath, artificial

air space control; air supremacy; command of the air; air mastery; air domination

hot-air drying kiln【木】

air-bleed hole