皮皮学，免费搜题
登录
搜题
【简答题】
(20分) 如图所示,两块用两个 M12 的普通螺栓连接。若结合面的摩擦系数f=0.3 ,螺栓预紧力控制在屈服极限的 70% ,螺栓用性能等级为 4.8 的中碳钢制造,求此连接所能传递的最大横向载荷F 。
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
【简答题】句型转换。 1.We were happy yesterday.(同义句) We_______ ______yesterday. 2.Amy has 5pencils. Simon has 6 pencils.(合并成一句) Amy has ______pencils______Simon. 3.I write to my goo d friend three times a month .(划...
【单选题】某地劳动部门租用甲、乙两个教师开展农村实用人才培训。两教室均有5排座位,甲教室每排可坐10人,乙教室每排可坐9人。两教室每月共举办该培训27次,每次培训钧座无虚席,当月培训1290人次。问甲教室当月共举办了多少次这项培训?( )
A.
8
B.
10
C.
12
D.
15
【简答题】Rosa ______ a gift from Simon yesterday, but did not accept it．昨天罗莎收到了西蒙的礼物，但她没有接受。
【单选题】Rosa ____________ a gift from Simon yesterday, but did not ___________ it
A.
had received; had accepted
B.
had accepted; had received
C.
accepted; received
D.
received; accepted
【单选题】Yesterday Mr. Smith gave a vivid ______ of his recent visit to China.
A.
dialogue
B.
idea
C.
tale
D.
account
【单选题】I _____________ a monkey at the zoo yesterday. I want to _____________ to Alice today. [ ]
A.
see, talked
B.
saw, talked
C.
saw, talk
相关题目：
参考解析：
知识点：
题目纠错 0
发布
