崩的时候,“其声如雷,闻三百里”
维基和百度上都能查到: 浮山堰
崩的时候,“其声如雷,闻三百里”
维基和百度上都能查到: 浮山堰
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黄河入海口泥沙淤积,很多土地低于海平面,防洪也是筑水坝,不能挖淤泥,海水倒灌会引起更大灾难
-移花接木-
♂
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09/04/2024 postreply
18:04:39
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