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绘制平面图形时，必须先画出各已知线段，再依次画出各中间线段，最后画出各连接线段。

§1-5 绘图的方法和步骤. 绘制平面图形时，必须先画出各已知线段，再依次画出各中间线段，最后画出各连接线段。. 回车继续. 回车继续. 分析下面平面图形的绘制步骤：. 图 1-46 平面图形的尺寸标注. 回车继续.

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绘制平面图形时，必须先画出各已知线段，再依次画出各中间线段，最后画出各连接线段。

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  1. §1-5 绘图的方法和步骤 绘制平面图形时，必须先画出各已知线段，再依次画出各中间线段，最后画出各连接线段。 回车继续

  2. 回车继续

  3. 分析下面平面图形的绘制步骤： 图1-46 平面图形的尺寸标注 回车继续

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