用乳罩做成N95口罩，让抗疫笫一线医务人员用，真是一大发明。

来源: lucy2008liu 于 2020-04-07 07:09:13 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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用乳罩做成N95口罩， 让抗疫笫一线医务人员用，真是一大发明。