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预防新型冠状病毒，自己或家人在家隔离观察，还能不能开窗通风？
预防新型冠状病毒，自己或家人在家隔离观察，还能不能开窗通风？
新型冠状病毒科普知多少100/112
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预防新型冠状病毒，自己或家人在家隔离观察，还能不能开窗通风？
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