问题题干答案解析相关问题热门问题最新问题

问题详情

如果从起点为 ( ５ , ５ ) ，要画出与 X 轴正方向成３０度夹角，长度为５０的直线段应输入（）。

A、５０，３０

B、＠３０，５０

C、＠５０<３０

D、３０，５０

时间：2021-09-02 00:33 关键词：青书学堂河北建筑工程学院电气工程及其自动化计算机辅助制图CAD(专升本)

答案解析

C

相关问题

boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
A cabinet or space containing the controls or valves for the fixed firefighting system must be（）.
A cabinet or space containing the controls or valves for the fixed firefighting system must be（）.