primary return air system

基本解釋

Primary return air system and secondary return air system are the two kinds of deal with the air in the mixture air system, they both have their advantages and disadvantages.
從二次回風(fēng)空調(diào)系統(tǒng)的節(jié)能分析，正壓控制，醫(yī)療建筑廢熱、廢水的再利用，運(yùn)行管理等方面探討了減少潔凈手術(shù)室空調(diào)系統(tǒng)能耗的途徑和方法。
The calculation method of supply and return air volume of air-conditioning system with primary return air and summer air-conditioning system in a metro station of Shenyang City is introduced.
分析了我國地鐵站域公共空間發(fā)展存在的主要問題，提出通過推動(dòng)地鐵站域公共空間的集約化建設(shè)，帶動(dòng)城市空間高度集約化的整體性發(fā)展。