简易便宜空气过滤，赶快做，加州烟雾致癌的

来源: zhang88 于 2018-11-18 10:05:26 [] [博客] [旧帖] [给我悄悄话] 本文已被阅读： 次 (578 bytes)

简易便宜空气过滤，赶快做，加州烟雾致癌的

Compared with the expensive air purifiers on the market, these DIY air purifiers are equivalent but at a much cheaper price.

more details can be found here

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