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机械制图中的16条基本准则,每个机械人都必须理解牢记并遵守
在机械制图中有很多约定俗成的基本准则,而ASME Y14.5-2009 规定了十六条基本准则,这些基本准则大家在制图、阅图或审图必须了如指掌的。 下面就对这16条基本准则向大家逐一介绍。 第一条:除参考尺寸、最大最小尺寸或原材料外,所有尺寸必须有公差 ...
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