A.湍流 B.层流 C.层流和湍流 D.无法判断

A.湍流 B.层流 C.层流和湍流 D.无法判断

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A.5.82W/m㎡,0.68 B.6.01W/m㎡,0.68 C.6.01W/m㎡,0.82 D.5.82W/m㎡,0.82

A.5.82W/m㎡,0.68 B.6.01W/m㎡,0.68 C.6.01W/m㎡,0.82 D.5.82W/m㎡,0.82

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