医用N95一般人买不到,是美国的战略储备不够,制造业也不在国内,所以造成短缺。美国上周三已经改了法律,工业防尘口罩也可以医用。
本帖于 2020-03-24 11:42:52 时间, 由普通用户 福禄寿喜 编辑
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