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以十字轴的径向挤压为例，较为详细地论述了径向挤压的流动规律。这些流动规律为径向挤压件工艺方案的制定和径向挤压件的有限元分析提供了实验依据。
Taking the radial extrusion of the cross shaft as an example, the flow rule of radial extrusion is discussed in detail. These flow patterns provide the experimental basis for the formulation of radial extrusion process and the finite element analysis of radial extrusion.