看過一些文章，說醫用外科口罩即可，用不著N95

來源: Novermber 於 2020-01-23 10:49:51 [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.