On the basis of theory analysis, it is deduced that the axial stress is linear distribution, when the steel support is loaded by axial force and moment.

根据壳体理论对钢支撑受力机理进行分析和简化计算，得出钢支撑在轴力和弯矩共同作用下，轴向正应力呈线性分布。

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Starting with the principle of moment distribution method, the paper applies sequence theory to derive the formula of rod-end bending moment.

从力矩分配法的原理出发，利用数列理论，导出了杆端弯矩计算公式。

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Based on point-by-point integration method and one dimension theory, designed the guide vane which has uniform velocity moment distribution with a hydraulic design computer code of the guide vane.

在逐点积分法一元理论叶片绘形的基础上，利用导叶水力设计程序设计了等环量叶片。

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