风选

air separating【粮食】;aspiration【粮食】;winnowing【粮食】

暂无补充释义。

相关词条

air embolism

compressed-air brake system for vehicles

air jet for air jet liquids on surfaces

trading port open to sea, land and air

wet-type air cooler【制冷】化工

air-raid warden

by the air circulation in the air conditioning plant

secondary air (supplementary air) detoxication of exhaust gases