The control system of the valve body is simple in structure, high in reliability and is high in air distribution efficiency and precision.
本发明阀体的控制系统结构简单、可靠性高，配气的效率及精准度高。
Discusses correlations between ventilation effectiveness and air distribution, analyses why the ventilation efficiency of mixing ventilation is lower than that of displacement ventilation.
讨论了通风有效性与空气分布特性的相关性，分析了混合通风（上送下回）通风效率低于置换通风效率的原因。
The concentration distribution of pulverized coal in primary air pipe is very important for advancing efficiency of boiler.
掌握煤粉锅炉一次风管中煤粉浓度的分布情况，对提高锅炉效率有很重要的意义。
应用推荐