某条形基础,宽b=2.0m,已知基底边缘的最大和最小压力为pmax=150kPa,pmin=50kPa,试求基底压力和作用弯矩。
参考答案:
用所给词的适当形式填空。
1. I have ________ (know) him for two years.
2. He's few friends, so he feels ________ (alone).
3. They landed ________ (safe) yesterday.
4. She's ________ (please) with my work.
5. Don't make any ________ (noisy).
6. He left the room very ________ (quiet).
7. Who got the ________ (nine) place in the race?
8. The trip was ________ (please).
9. I met Tom in the street, I stopped ________ (talk) with him.
10. Why not ________ (go) to see a film with us?
屏蔽式氨泵的叶轮和电动机()。
A.同轴
B.不同轴
C.装在同一壳体内
D.装在不同的壳体内
E.需要轴封装置
F.不需要轴封装置