rest

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.

介绍了局部排风管道系统的设计原理以及计算静压和剩余静压的计算方法 ,最后给出了根据设计原理求解管道直径的方法和工程实例。