2年前人民日報尚攻擊美使館所報北京的mp2,5值是汙滅，現在是不否認，不反駁，不提起。

來源: 葉成於 2015-03-19 19:30:58 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.