Both upsetting and processes are simulated by using plasticine as model material, the evolution process of the cavities in the cylinder is observed.
用塑性泥模拟了圆柱体的镦粗和压扭工艺，观察了工件内部孔洞性缺陷的演变过程。
Both upsetting and processes are simulated by using plasticine as model material, the evolution process of the cavities in the cylinder is observed.
用塑性泥模拟了圆柱体的镦粗和压扭工艺，观察了工件内部孔洞性缺陷的演变过程。
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