The Structure of Lining vane and safety board for slurry pump, compound property, formula, production technology, mold design, practical use and advantages are introduced in present paper.
简介泥浆泵衬胶叶轮和护板的结构，胶料性能、配方、生产工艺、模具设计、实际使用状况、优点等。
The design method of structures of sieve tray tower is discussed. Some new computation methods and simple formula are proposed. Simulated computations are carried out by practical examples.
对筛板塔的结构设计问题进行了讨论，提出了一些新的计算方法和简化的计算公式，并用实例进行了模拟计算。
Design revision and practical application show that calculation in accordance with this formula is precise enough to satisfy production requirement. Calculation example is given too.
经修改设计及现场使用表明，按这些公式计算能满足生产要求，文中并给出了计算实例。
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