Axial force is balanced by back vane or balanceable hole, for the specification with big radial force; we adopt double-wear passage design.
轴向力由副叶片或平衡孔平衡，对于径向力在的规格采取了双壳体设计；
Li Caihui Solving method for development of back guide vane of the fan is introduced.
介绍了通风机后导叶展开的计算方法。
The only sound was a slight scraping noise from the rooftop, where the weather-vane swung back and forth.
整个谷仓里唯一的声音就是从屋顶传来的缕轻微的刮擦声，那儿有天气风向标在前后摆动。
应用推荐