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预防新冠病毒肺炎 全民复工 科学防疫 戴口罩 勤洗手 多通风 重科学 不信谣 不传谣 万众一心 抗击肺炎 众志成城 战胜疫情 Prevention of the Covid 19 Return to work for all Prevention of the epidemic scientifically. Wear a mask, wash your hands frequently, ventilate frequently, pay attention to science, do not believe in rumors, do not spread rumors Unite as one to fight against the epidemic Unite as one to overcome the epidemic