• Nitrogen oxide also contributes to fine particulate matter (PM), PM is soot, soot is cancerous. What is that you don't understand "QuantPM"?
? Nitrogen oxide also contributes to fine particulate matter (P
本帖於 2015-10-01 19:44:35 時間, 由普通用戶 堅茂 編輯
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一級致癌物是專用名詞,有明確的科學定義,你提到它了就要對它的意義負責。
-QuantPM-
♂
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10/02/2015 postreply
08:14:39