水电污染是非常严重的。三峡就是最明显的例证。

来源: 大号蚂蚁于 2019-01-26 07:19:48 [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.