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一、盖类零件的工艺分析 一般盖类零件的特点是中间高,周边低.形状有园形、方形等。对于机械性能要求不高的盖类
First, the cover part of the process analysis General cover parts of the characteristics of the middle of the high, low around the shape of a garden, square and so on. For less demanding mechanical properties of the cover class