大水是能够直接冲入峡谷的”
回答: 要多大的雨才会湖水倒灌?“由于下羚羊谷往北延伸一直联通鲍威尔湖,遇上暴洪(flash flooding)的时候,大水是能够直接冲
由 jin_yin_hua
于 2017-04-15 03:51:11
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