所以我覺得微生物原因有道理。有了樹什麽的,水多了,就能繁殖了。 刮風一般都刮的挺高,風多少應該跟樹多少沒關係。
所有跟帖:
• 華北平原現在是一刮三級風就藍天,風一停就霾 -keessa- ♀ (0 bytes) () 03/02/2015 postreply 14:59:29
• 華北平原現在是一刮三級風就藍天,風一停就霾 -keessa- ♀ (0 bytes) () 03/02/2015 postreply 14:59:29
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