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Baicheng Customs and Industry Commission and the Municipal Psychological Society organized young people to come to Yifeng for social practice activities时间：2022-08-23 Today, the Baicheng Customs and Industry Commission and the Municipal Psychological Society organized young people to come to our Yifeng for summer social practice activities. I introduced the various functions of the machine to the children and showed them the demonstration site. I planted a seed of love for science in the hearts of the children. Looking at the signs of serving the people on our machinery, let the children know that all walks of life can serve the people when they grow up!
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