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用一块平板挡水,平板形心的淹深为hc,压力中心的淹深为hD,则hc( )hD。
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用一块平板挡水,平板形心的淹深为hc,压力中心的淹深为hD,则hc( )hD。
A、大于
B、小于
C、等于
D、可能大于也可能小于
时间:2021-09-01 23:39
关键词:
青书学堂
西南石油大学
工程流体力学
答案解析
B
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用一块平板挡水,平板形心的淹深为hc,压力中心的淹深为hD,则hc( )hD。
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