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【单选题】
单一截平面切割回转体,根据回转体截交线的作图步骤,从下列描述中选择正确的,并排序() (1)截交线如有投影为曲线,求出特殊点(转向轮廓线上的点、极限位置的点、特征点)。 (2)求出特殊点(转向轮廓线上的点、极限位置的点、特征点)和一般点。 (3)判断可见性,光滑连线。 (4)截交线如有投影为曲线,求出特殊点(转向轮廓线上的点、极限位置的点、特征点)和一般点。 (5)整理外轮廓线。 (6)分析截交线的形状。
A.
1-6-5-3
B.
6-3-2-5
C.
6-3-4-5
D.
6-4-3-5
E.
6-1-3-5
F.
6-2-3-5
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