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问题详情

地面上两相交直线的水平角是( )的夹角。

A、这两条直线的空间实际线

B、这两条直线在水平面的投影线

C、这两条直线在竖直面的投影线

D、这两条直线在某一倾斜面的投影线

时间：2021-07-18 13:47 关键词：土木工程高起本测量学 2019级第5学期期末考试工程测量技术高起专测绘学基础期末考试

答案解析

B
B

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