... standard parts drawing database 标准件图库 piece parts drawing 部品图纸 The mechanical parts drawing 机械零件图绘制教程 ...
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The similar problem on computing blank size also exists in sheet forming, such as spreading size of bending piece, blank size of axial symmetry parts by deep drawing.
板材成形中同样存在着计算坯料尺寸的问题，如弯曲件展开尺寸的计算，轴对称拉深件坯料尺寸的确定等。
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