《工程制图》学习辅导(上)

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【正】 《工程制图》课程是中央电大为非机、非土工程类各专业开设的技术基础课,它具有较强的实践性。这门课程的特点是空间概念较强、具体的规定和条文较多,而这些概念、规定和条文只有用于读图、画图实践才有意义,也只有通过实践才能理解它们、记忆它们,进而指导今后的读图和画图。《工程制图》的内容可分为五大部分:制图基本知识、投影基础、机件的表达方法、机械图
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