转动三个脚螺旋使水准仪圆水准气泡居中的目的是（　　）。　 -题库考试答案搜索网

转动三个脚螺旋使水准仪圆水准气泡居中的目的是（　　）。　

单选题

2021-07-17 23:40

A、<span style="font-family: 宋体;font-size: 15px">使仪器竖轴处于铅垂位置</span></p><p></p>
B、<span style="font-family: 宋体;font-size: 15px">提供一条水平视线；</span></p><p></p>
C、<span style="font-family: 宋体;font-size: 15px">使仪器竖轴平行于圆水准轴</span>

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正确答案

A

试题解析

标签：工程测量技术高起专测量平差基础 19级补考 2020年第二学期补考

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