问题
填空题
奥氏体不锈钢主要的腐蚀形式是（）。
答案
参考答案：晶间腐蚀
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奥氏体不锈钢主要的腐蚀形式是（）。
参考答案：晶间腐蚀
| 阅读理解。 | |
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| 1. Sydney Tower is ________ in Sydney, Australia. | |
| A. the busiest street B. the biggest station C. the most beautiful park D. the highest point | |
| 2. There is a ________ to Town Hall Station. | |
| A. train B. bus C. plane D. taxi | |
| 3. Sydney Tower opens at ________. | |
| A. 8:00 am B. 9:00 am C. 10:30 pm D. 11:30 pm | |
| 4. If an adult with two children goes to visit Sydney Tower, he has to pay ________. | |
| A. $ 60 B. $ 90 C. $ 120 D. $ 150 |
