复杂桁架式结构的稳定性分析成为当代大型起重机结构设计计算的难点。

So the stability analysis of complicated lattice structure becomes the crux of contemporary and large cranes' structure design and its calculation.

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在分析传统卷筒壁厚设计与稳定性校核方法的基础上，对起重机卷筒进行了有限元分析。

Based on analyzing the wall thickness design and stability checking method of drum, the finite element analysis of the crane 'drum is studied.

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讨论了轮式起重机伸缩臂倒置伸缩液压缸的稳定性的计算方法。

The stability calculation methods of inversely mounted telescopic hydraulic cylinder in mobile crane are discussed.

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