利用水力是好事，像都江堰，不过三峡规模可能太大了

来源: xiaoyuzi 于 2010-03-28 13:19:13 [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.