空氣汙染造成的肺部疾病說是長期的，短期內怎樣證明造成了肺部，呼吸道損害？粉塵落在我們房內的怎樣證明？

來源: OnToronto 於 2015-07-16 11:45:05 [舊帖] [給我悄悄話] 本文已被閱讀：次

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