图示结构的M图中B点的弯矩是()。 A.零 B.内侧受拉 C.外侧受拉 D.以上三种 发布时间:2017-04-29 17:42 │ 来源:www.tikuol.com 题型:单项选择题 问题: 图示结构的M图中B点的弯矩是()。A.零B.内侧受拉C.外侧受拉D.以上三种都有可能
题型:单项选择题 He tried to deal with the ever-increasing burden of his work,but finally ____and had to take a complete rest.A.broke awayB.broke upC.broke downD.broke out 查看答案