皮皮学，免费搜题
登录
搜题
【单选题】
为防止空气进入液压系统,错误的措施是 。A.
回油管出口加工成斜切面
B.
回油管出口置于油箱油面之上
C.
系统高位设置放气装置
D.
保持油箱较高油位
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】在外力作用下形状和大小不发生变化的物体称为
【单选题】打招呼( )
A.
我见了熟人都是点点头致意，觉得寒暄几句没意思，还耽误时间。
B.
我们住在一个大院里，虽然算是认识，又不在一个单位，也没有什么交往，见面打招呼总觉得很勉强。
C.
我们在一个单位工作，一天又多次见面，还打什么招呼。
D.
我见了熟人因为关系不同就用不同的方式打招呼，有的点点头，有的还要问候一番。
【简答题】完形填空。 The shop was on the corner, and everyone knew that the best flowers in town were sold there. There was no 1 that said this, but everyone knew Papa Dent had been there for many, many years. When ...
【多选题】物体在外力作用下发生小变形______。
A.
只有应变分布满足应变协调方程，才能保证变形后的物体连续。
B.
已知物体中的位移场，由几何方程可以确定应变张量场。
C.
如果应变分布不满足应变协调方程，也能通过几何方程求得正确的位移场。
D.
应变偏张量表示物体的形状变化，应变球张量表示物体的体积变化。
【单选题】Why did Linda go into the department that sold raincoat?
A.
It was raining outside.
B.
She wanted to have a look at the raincoat.
C.
She wanted to buy a raincoat with a detachable lining.
D.
She felt there was something unusual in the atmosphere.
【单选题】Why did the woman get disconnected?
A.
Because the tickets were all sold out.
B.
Because there were no people working there.
C.
Because she asked too many questions.
D.
Because there was something wrong with the line.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
