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高洪水期,在山区河流的峡谷河段,一般().

发布日期:2022-06-08

高洪水期,在山区河流的峡谷河段,一般().
A

水流条件相对较为平缓

B

会出现水位猛涨,流态险恶的现象

C

河面宽阔

D

比降、流速急剧减小

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