短語詞組短語Supply air circulation system 送風(fēng)循環(huán)系統(tǒng)primary supply air system 一次送風(fēng)系統(tǒng)positivepressure supply air system 事故通風(fēng)系統(tǒng)supply and return air system 送廻風(fēng)系統(tǒng)high velocity supply air system 高速送風(fēng)系統(tǒng)reactor building supply air system 反應(yīng)堆廠房供氣系統(tǒng)mechanical air supply system 機(jī)械送風(fēng)系統(tǒng);壞送風(fēng)系統(tǒng)central air supply system 中心供氣系統(tǒng)air supply control system 送風(fēng)控制系統(tǒng) 返回 supply air system