问题 问答题 简答题

桥梁建筑用钢有哪些技术要求?

答案

参考答案:

用于桥梁建筑中的钢材,根据工程使用条件和特点,应具备下列技术要求:

(1)良好的综合力学性能,包括具有较高的屈服点和抗拉强度。

(2)良好的焊接性,焊接部分强而韧,其强度和韧性不低于或略低于焊件本身,以防止出现硬化脆裂和内应力过大等现象。

(3)良好的抗腐蚀性。

阅读理解

阅读理解。

    Do you like nice food? Do you like working late? Welcome to Deli Hotel! Our hotel is very big. There are

102 people now, but we need 20 waiters. You must speak good English and French. You must work hard,

sometimes all day. Also you can get 1,300 yuan for a month. At the same (同样的) time, you can get free

(免费的) food and live in our nice hotel rooms. Do you want to work for us? If you do, please call Deli Hotel

at 556-8888. Our hotel address: Crown Road 228, Sixth Avenue.

1. How many waiters does the hotel need?

                                                                                                       

2. What language must the waiters speak?

                                                                                                       

3. How much can a waiter get a month if he works in the hotel?

                                                                                                        

4. Where can a waiter live if he works in the hotel?

                                                                                                        

5. What's the address of the hotel?

                                                                                                         

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