l*********o 发帖数: 1 | 1 【 以下文字转载自 USANews 讨论区 】
发信人: laozhanglao (laozhang), 信区: USANews
标 题: 你的口罩有效吗?免费家里测量质量识别假货,千万不要乱用自己骗自己
发信站: BBS 未名空间站 (Thu Apr 2 22:58:28 2020, 美东)
你的口罩有效吗?免费家里测量质量识别假货,千万不要乱用自己骗自己
Is your face mask effective? How do you test the quality of your mask,
especially your own DIY masks? Avoiding this question is unsafe and you
cheat your own health.
For more details, check out:
http://geniusasian.com/effective-face-mask-home-test/
https://youtu.be/25lDoBSsQG8 |
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