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一样会淹,大坝防洪的作用是削峰,而不是把水完全挡住。可以减少溃坝这样的最坏情况,但高水位维持时间会更长。举例来说如果没有大坝,四天武汉水位是27,29,28,27,有了大坝就可能变成27,28, 28,28.

tzm_oasis (绿洲)
(#13113596@0)
7-29 -04:00
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