陰霾與降水有關，與南水北調沒有直接關係。再說了，今年夏季北京地區雨量的確充沛。這幾天北京空氣好是冷空氣南下的結果。

來源: 我愛丁二酸鈉於 2016-09-01 21:42:25 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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