图示截面对形心轴zC的抗弯截面系数WZc正确的是（ ）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/8e928be2313644b68f9486869a854baa.png
举一反三
- 图示截面对形心轴zC的抗弯截面系数WZc正确的是（ ）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/8e928be2313644b68f9486869a854baa.png
- 图示截面对形心轴zC的抗弯截面系数WZc正确的是（ ）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/8e928be2313644b68f9486869a854baa.png
- 工字形截面如图所示，为（ ）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/03bcd53fdd9947e68039e2494aff9735.png
- 下列碳正离子的稳定性最大的是（ ） A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/5ae2658f66544b629fdcabed52d5f957.png"> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/1cefba39460048ef898157ea2ebc28b4.png"> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/451893995c5e4c8f8109398975819582.png"> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/31d934d857664b5c8e554a3b9c0fde75.png">
- 工字形截面如图所示，水平形心轴的惯性矩的答案为（ ）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/e4c76b39abd7440bbc814225f2233f2c.png