半球截切后正确的水平投影是（ ）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/2b09cedeab2a4385aa9d6bb13cd29be9.png
举一反三
- 圆柱被截切后的水平投影为（ ）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/8eda0480d41942249c8efb9e93cff215.png
- 圆柱被截切后的水平投影为（）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/8eda0480d41942249c8efb9e93cff215.png
- 圆锥被截切后的侧面投影为（）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/4823c384100c4a9ba049d6e8402b2add.png
- 六棱柱被截切后的侧面投影为（ ）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/b1de8d9a74994e619499ce42a06d10d3.png
- 三棱柱被截切后的侧面投影为（ ）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/47a0c514dc11474faed7ad33a7eeceba.png