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问题详情

如果A点在W投影面上，则：( )

A、A点的x坐标为0

B、A点的y坐标为0

C、A点的z坐标为0

D、A点的x、y、z坐标都不为0

时间：2021-09-01 20:39 关键词：联大河南理工大学建筑工程技术画法几何与土木工程制图

答案解析

A

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