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P26

P26. 两实体圆柱相交. 圆孔与圆柱相交. 不等径两圆孔相交. 等径两圆孔相交 弧线变直线. 平面切球截交线是圆. 圆柱穿过球心相贯线是圆. 圆孔穿过球心相贯线是圆. 等径孔相交相贯线是圆. 半圆孔与上下通孔相交，上面为不等径，下面为等径相交. 半圆孔与圆柱相交. 第一步：画基本体 第二步：画圆柱面的相贯线 第一步：擦除切除的轮廓线 完成投影. 圆孔与上半圆柱面及与中间圆孔相交. 两圆柱外表面相交. 左右穿圆孔与圆柱面相交.

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P26

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  1. P26 上海理工大学

  2. 两实体圆柱相交 圆孔与圆柱相交 不等径两圆孔相交 等径两圆孔相交 弧线变直线 上海理工大学

  3. 平面切球截交线是圆 圆柱穿过球心相贯线是圆 圆孔穿过球心相贯线是圆 等径孔相交相贯线是圆 上海理工大学

  4. 半圆孔与上下通孔相交，上面为不等径，下面为等径相交半圆孔与上下通孔相交，上面为不等径，下面为等径相交 半圆孔与圆柱相交 第一步：画基本体 第二步：画圆柱面的相贯线 第一步：擦除切除的轮廓线 完成投影 上海理工大学

  5. 圆孔与上半圆柱面及与中间圆孔相交 两圆柱外表面相交 左右穿圆孔与圆柱面相交 上海理工大学

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