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【单选题】
表示流体流动形态类型可用雷诺数来表示,当流体流动属于湍流时,雷诺数为 ( )A.
(A) Re >3500
B.
(B) Re >3800
C.
(C) Re >4000
D.
(D) Re >4200
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举一反三
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A.
起诉人符合法定条件。
B.
有请求赔偿的具体要求和事实、理由。
C.
有明确的被告人。
D.
属于人民法院受理附带民事诉讼的范围。
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