【化】 空气煤气混合器

air borne

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

air-dried garlic in flake

air brake (air braking surface)

feed-water heater (feed-water preheater) air preheater

hot-air cooking-apparatus

hot-air bath, cold-air bath, artificial

hot-air drying kiln【木】