Gives the main design indices, and presents air distribution, cold and heat sources, air treatment and exhaustion, etc.
给出了主要设计指标，介绍了所采用的气流组织形式、空调冷热源方式、空气处理方式、排风等情况。
3
The principle of the design of the duct system for the exhaustion of lacol air and a method of determining calculated static pressure and calculating residuary static pressure are introduced.