参照如下所示立体图,观察三视图,可判断出,A面是水平面http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/fbf78b601e7145f6b41eb5a02d0dd01d.png
举一反三
- 图中所示平面是()。 A:水平面 B:正平面 C:侧平面 D:铅垂面http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/122db7560cad480eb3806c2abba0511f.png
- 根据立体图,画法正确的三视图是()。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/285dfe434ee2438596d8790400d06723.png
- 选择棱锥被正垂面截切后正确的左视图。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/6f582ca8c21a4113a4470da4dc266075.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/65ae2f577aa14584ae75cc84ab3050c1.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/089db3476a0145e19cb4b135eb0437db.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/e60c72d724f74552963c93af681ca44d.png" />
- 平面P是( )面。 A:正平面 B:侧平面 C:水平面 D:一般位置平面http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/f7ea0cae3cff457c952d23c0ec8246b7.png
- 如左图所示的立体示意图(箭头所指方向为主视图方向),其俯视图如右图。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/9fb76472ee3f42b8b8989101fe64d5b2.png