文章针对锅炉送风矩形大管道，运用“对数一切比雪夫”法的速度一面积法，来设计风量测量装置，以及根据设计的方案选型。
For boiler air-flow rectangular tube, the article introduced using Logarithmic Chebychev method to design air-flow meter and choose appropriate proper model according to design scheme.
非标设备设计或细部设计知识。有热力学及风量设计计算基础。
Knowledge in mechanical design and detail design of non-standard equipment. Basic knowledge of thermodynamics, air volume calculation.
分析了装饰建材超市的主要污染物，给出了其通风量计算公式，指出了工程设计中应注意的问题。
Discusses the main contaminants in decorating material malls. Presents a calculating formula of ventilation rate and points out some key issues in project design.
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