Because the space is very large, the traditional ventilation method has some demerits, such as the large ventilation volume and high running cost.
由于空间高大，传统的通风方式势必存在通风量大、运行费用高的缺点。
The type and application of a controllable circulation ventilation method are analyzed. The good economic benefits produced by the technology are presented.
分析了可控循环通风方法的类型及应用该技术所产生的良好经济效益。
The author brought forward a ventilation method-natural ventilation, which is the most economical and efficient, to deal with the problems in transition season in modern buildings.
本文针对目前建筑中在过渡季节存在过热的问题，提出自然通风是过渡季节最经济有效的通风换气方式。
The author brought forward a ventilation method-natural ventilation, which is the most economical and efficient, to deal with the problems in transition season in modern buildings.
本文针对目前建筑中在过渡季节存在过热的问题，提出自然通风是过渡季节最经济有效的通风换气方式。
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