简易便宜空气过滤，赶快做，加州烟雾致癌的

来源: zhang88 于 2018-11-19 13:49:19 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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