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教学课件

8.1 装配图的概述
7.6 识读零件图
7.5 零件图上的技术要求
7.4 零件的工艺结构
7.3 零件图的尺寸标注
7.2 零件的视图选择
7.1 零件图概述
6.5 滚动轴承
6.4 弹簧

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基本文件流程错误 SQL 调试

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