对截面形状复杂的柱,注意不可采用具有内折角的箍筋,以免产生外向拉力而使折角处混凝土破损。
参考答案:对
补全对话
A: What animals do you want to see ?
B: 小题1: .
A: Why do you like to see pandas?
B: 小题2:_______________________________________________.
A: Really? By the way, do you want to see the elephants in the zoo?
B: 小题3: .
A: I like to see elephants, too. Because they can dance.
B: Do you want to be an assistant in the zoo?
A: Well , to work for animals is interesting, but kind of dangerous. I don’t like it.
B: 小题4:___________________________________________________________?
A: I want to be a reporter. I can meet many famous (著名的) people.
B: That’s great . Thank you.
A: 小题5:
凸缘式联轴器属于()。
A、固定联轴器
B、可移式联轴器
C、安全联轴器
D、普通联轴器