三峡大坝对下游的每天20吨啦圾也没影响？LZ误导

来源: frankliu2 于 2011-05-26 04:22:26 [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.