关于空气中氧气浓度安全的问题1.假如一个密闭房间中氧气浓度为30%,在这个房间中吸烟,那么打火机打火会不会产生危险,2.假如不会那么多少浓度会有危险,3.会有怎样的危险.假如一个密闭房
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![关于空气中氧气浓度安全的问题1.假如一个密闭房间中氧气浓度为30%,在这个房间中吸烟,那么打火机打火会不会产生危险,2.假如不会那么多少浓度会有危险,3.会有怎样的危险.假如一个密闭房](/uploads/image/z/4740721-25-1.jpg?t=%E5%85%B3%E4%BA%8E%E7%A9%BA%E6%B0%94%E4%B8%AD%E6%B0%A7%E6%B0%94%E6%B5%93%E5%BA%A6%E5%AE%89%E5%85%A8%E7%9A%84%E9%97%AE%E9%A2%981.%E5%81%87%E5%A6%82%E4%B8%80%E4%B8%AA%E5%AF%86%E9%97%AD%E6%88%BF%E9%97%B4%E4%B8%AD%E6%B0%A7%E6%B0%94%E6%B5%93%E5%BA%A6%E4%B8%BA30%25%2C%E5%9C%A8%E8%BF%99%E4%B8%AA%E6%88%BF%E9%97%B4%E4%B8%AD%E5%90%B8%E7%83%9F%2C%E9%82%A3%E4%B9%88%E6%89%93%E7%81%AB%E6%9C%BA%E6%89%93%E7%81%AB%E4%BC%9A%E4%B8%8D%E4%BC%9A%E4%BA%A7%E7%94%9F%E5%8D%B1%E9%99%A9%2C2.%E5%81%87%E5%A6%82%E4%B8%8D%E4%BC%9A%E9%82%A3%E4%B9%88%E5%A4%9A%E5%B0%91%E6%B5%93%E5%BA%A6%E4%BC%9A%E6%9C%89%E5%8D%B1%E9%99%A9%2C3.%E4%BC%9A%E6%9C%89%E6%80%8E%E6%A0%B7%E7%9A%84%E5%8D%B1%E9%99%A9.%E5%81%87%E5%A6%82%E4%B8%80%E4%B8%AA%E5%AF%86%E9%97%AD%E6%88%BF)
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