问题
填空题
HRB335钢筋的屈服强度为不小于（）MPa。
答案
参考答案：335
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HRB335钢筋的屈服强度为不小于（）MPa。
参考答案：335
| 选择正确句子将下列对话补充完整。 | |
| A: Welcome to Beijing. 1 B: We arrive in Beijing at 4:00. A: Do you go to Tian'anmen Square? B: 2 We see some boys playing games. A: 3 B: We go to the Palace Museum. A: 4 B: It's about five hundred years old. A: OK! Have a good time in Beijing. 1. 2. 3. 4.
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