该数值模拟结果对圆环镦粗时各种因素之间确定了量化的关系，对环形件镦粗提供了科学依据。
This results of numerical simulation establish the quantity connection of these factors, and provide foundation for ring upsetting.
该数值模拟结果对圆环镦粗时各种因素之间确定了量化的关系，对环形件镦粗提供了科学依据。
This results of numerical simulation establish the quantity connection of these factors, and provide foundation for ring upsetting.
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