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【简答题】
Hello,everyone. My name is Tina. I am an Australian girl , but now I live in Dalian. It’s a beautiful city in China. It’s near the sea. Every year, many people come here to enjoy the beautiful sea. Our house is in the center of the city. It is on a very busy street. There are many shopping centers here. Behind our house there is a park. It is not very big but clean. Many kids like to play games with their parents in the park. Next to our house is a good restaurant. The food in it is very nice. Sometimes after work, my parents take me to the restaurant to have a big meal. I enjoy living here!
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同步规划
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【简答题】简述磁粉探伤的原理及其适用性。