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共轭水深是指 ( )

A、水跃的跃前水深与跃后水深

B、溢流坝下游水流收缩断面水深

C、均匀流水深

D、临界水深

时间：2021-07-17 23:22 关键词：水利水电工程高起本水力学 2019级第5学期期末考试

答案解析

A

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