中国污染问题现很严重，很多农作物也有重金属污染

来源: ERommel 于 2010-10-08 20:10:41 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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