正六棱柱被截切，一组正确的尺寸标注是（ ）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/d8fcdf171e794fcf8d63f8bf2e5c810f.png
举一反三
- 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" />
- 已知正五棱柱截切后的主、俯视图，正确的左视图是（ ）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/8c43df202e4f4964b2b3e815992b2295.png
- 已知正五棱柱截切后的主、俯视图，正确的左视图是（）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/8c43df202e4f4964b2b3e815992b2295.png
- 六棱柱被截切后的侧面投影为（ ）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/b1de8d9a74994e619499ce42a06d10d3.png
- 半球切槽，下列尺寸标注，满足正确、完整、清晰的是（ ）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/3d9cfbfbdfac4bbc9ce78b49f5ae6294.png