l11制图国家标准.ppt
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第一节 制图的一般规定 一. 图纸幅面和格式(GB/T14689-2008) 1、图幅 绘制技术图样时,应优先采用表1–1所规定的基本幅面。 必要时,也允许选用国家标准中所规定的加长幅面。 * Background provided by m62 Visualcommunications, visit for more information Background provided by m62 Visualcommunications, visit for more information Background provided by m62 Visualcommunications, visit for more information Background provided by m62 Visualcommunications, visit for more information Background provided by m62 Visualcommunications, visit for more information Background provided by m62 Visualcommunications, visit for more information Background provided by m62 Visualcommunications, visit for more information Background provided by m62 Visualcommunications, visit for more information Background provided by m62 Visualcommunications, visit for more information Background provided by m62 Visualcommunications, visit for more information Background provided by m62 Visualcommunications, visit for more information Background provided by m62 Visualcommunications, visit for more information Background provided by m62 Visualcommunications, visit for more information 宣城市信息工程学校《机械制图》精品课程 2011.8 《机械制图》课件是在我校2008年安徽省立项课题《多媒体及网络技术在机械专业课教学中的应用与探索》(JG08348)研究成果基础上,采用PowerPoint和Flash软件制作完成。本课件内容参照中等职业教育国家规划教材——王幼龙主编的《机械制图》(机械类 第3版)教材,并在教学内容上做了大量的修改和必要的删减,以“实用,够用”为原则,弱化了理论的讲述,强化了学生对知识应用能力的培养,以利于学生后续学习。课件有.ppt和.swf两种格式,观看.swf格式的课件时,必须安装Flash播放器或暴风影音、QQ影音等播放器播放。 安徽省宣城市信息工程学校 242000 zlzhou@126.com 精品课程 《机械制图》课件 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. 《机械制图》精品课程 2011.8 第一章 制图的基本知识 10 20 e 5 10 c 25 a 210×297 297×420 420×594 594×841 841×1189 B×L A4 A3 A2 A1 A0 幅面代号 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Pr
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