extrusion force的用法和样例：
例句
- The ellipticity only influences casing damage caused by outer extruding force.
椭圆度仅对均匀外挤压力导致套管破坏有较大影响。 - On the principle of the deformation work this paper words out a very simple method for approximate calculation of the extrusion force in the metalic plastic extrusion processes.
运用变形功原理，推导出求金属塑性挤压过程中挤压力的一种极其简捷的近似计算式。
