根据投影线之间的相互关系，可将投影分为（）_精华吧

根据投影线之间的相互关系，可将投影分为（）

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根据投影线之间的相互关系，可将投影分为（）

A.中心投影和平行投影

B.点投影和正投影

C.正投影和斜投影

D.中心投影和正投影

正确答案：中心投影和平行投影

Tag：画法几何及土木工程制图正投影中心时间：2022-02-17 20:46:17

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