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搜题
【单选题】
当零件回转体上均匀分布的肋板、轮辐、等结构不处于剖切平面上时，则应（ ）
A.
将这些结构旋转到剖切平面上画出
B.
可按剖切位置剖到多少画多少
C.
可省略不画
D.
原位置画出
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