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11-2 求作半球与圆柱孔的表面交线的投影。

11-2 求作半球与圆柱孔的表面交线的投影。. 11-4 求作两圆柱表面相贯线的投影. 分析： 相贯线的正面、水平投影已知。 求侧面投影的作图： 表面取点法作图即可 特殊点： 最高点： 1 最低点： 3 （最左） 最前、最后点： 2. 看作图过程演示.

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11-2 求作半球与圆柱孔的表面交线的投影。

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  1. 11-2 求作半球与圆柱孔的表面交线的投影。

  2. 11-4 求作两圆柱表面相贯线的投影 分析： 相贯线的正面、水平投影已知。 求侧面投影的作图： 表面取点法作图即可 特殊点： 最高点：1 最低点：3（最左） 最前、最后点：2 看作图过程演示

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