在下图中用辅助投影法求线段AB的正面倾角β时，新投影轴应： -题库考试答案搜索网

在下图中用辅助投影法求线段AB的正面倾角β时，新投影轴应：

单选题

2021-07-18 13:30

A、平行于a\'b\'
B、垂直于a\'b\'
C、平行于ab
D、垂直于ab

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正确答案

A

试题解析

A

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