group of drawing
... 冲压机 punch; bulldozer; hubber; stamping press; 冲压级别 group of drawing; 冲压空气 ram-air; ...
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在轿车冲压件成形分类的基础上，提出了新的冲压级别评定方法。
According to the forming classification of punch-formed car components, the new method for evaluating stamping grade was put forward.
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