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问题详情

当阀门关闭时间t大于水击相长时,这种水击称为( )。

A、直接水击

B、间接水击

C、水击

D、弥合水击

时间：2021-09-01 23:49 关键词：青书学堂西南石油大学工程流体力学(高起专)

答案解析

B

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