基于变形余裕度的冲压板材成形选择理论，给出变形余裕度的冲压板材成形选择过程。
According to the choice theory of sheet cutting shape based on deforming ample degree, the choice process of sheet cutting shape based on deforming ample degree was given.
基于变形余裕度的冲压板材成形选择理论，给出变形余裕度的冲压板材成形选择过程。
According to the choice theory of sheet cutting shape based on deforming ample degree, the choice process of sheet cutting shape based on deforming ample degree was given.
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