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冲孔凸模磨损是模具失效的主要形式之一。
The wear of piercing punch is one of main die lose efficacy.
youdao
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分析了冲裁凹模工作部分的结构形式。
The structure and composition of work area of matrix was analyzed.
youdao
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分析了冲裁凹模工作部分的结构形式。
The structure and composition of work area of matrix was analyzed.
youdao