楼主: 史老柒
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关于雾霾,我又来唱反调了。 |
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点评
我支持老柒的观点,戴口罩是好习惯,但没必要刻意追求防PM2.5,舒适性是第一位的。
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点评
全清单去IARC网站查吧。做好人http://monographs.iarc.fr/ENG/Classification/ClassificationsGroupOrder.pdf
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