用酒精消毒，这9句话很重要
用酒精消毒，这9句话很重要，建议转存酒精的有效成分是乙醇，属于甲类火灾危险品，空气中乙醇浓度超过3%即可发生火灾。在大量使用酒精时，酒精挥发使室内空气中乙醇浓度增加，比直接点燃酒精更危险。所以，用酒精消毒时，记住这9句话很重要。
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