皮皮学，免费搜题
登录
搜题
【简答题】
三角支架如图2-26a所示，已知AB的横截面面积A1=600mm2，应力[σs]=140MPa；AC的横截面面积A2=3×104mm2，应力[σw]=3．5MPa，试根据强度确定载荷[F](暂不考虑压杆AC的稳定性)。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】2013年9月下发的《交流员工管理规范》中规定：交流员工在交流期间至少向原单位及市公司人力资源部提交阶段性工作报告（）次；交流结束后完成一份工作调研报告。
A.
1次
B.
2次
C.
3次
D.
4次
【简答题】Reading Strategy Practice: Read the short paragraph selected from Reading A and finish the two exercises. Biologists have made a lot of progress in understanding ageing. They have not, however, been a...
【多选题】Practice 1 A. Listen to part of a lecture in a history class. Pay attention to specific details and answer the question. Question : Which of the following correctly describes the South in the 19 th ce...
B.
Cotton farming became quite important.
C.
Many slaves were educated to read and write.
D.
Tradition and honor were valued greatly.
【简答题】Read th epassage and answer the queations. If I Were a Boy Again 1. If I were a boy again, I would practice perseverance more often and never give up a thing easily because it was hard or inconvenient...
【简答题】You are going to practice some dates. Dates in Britain can be written in two ways. 1) In number only : day, month, year. So 6-3-94 is the 6th of March, 1994. 2) In numbers and words. For example, you ...
【单选题】Read the following text and answer questions by marking T if the state is true or F if the state is not true. Tipping is a subject that has long interested and irritated me. Many people think that the...
A.
True
B.
False
相关题目：
参考解析：
知识点：
题目纠错 0
发布
