建立渗流模型时渗流模型的阻力与实际渗流阻力不一定相等。
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建立渗流模型时通过渗流模型任一过流断面的流量等于实际渗流通过该断面的真实流量。
A. 对
B. 错
达西定律给出了所有孔隙介质中渗流流速与水头损失之间的基本关系。
A. 对
B. 错
渗流流量与断面面积和水力坡度成反比。
A. 对
B. 错
Directions: Translate the Chinese/English sentences into their target language. Pay attention to the choice of subject in your translation. Try to make your ranslation brief.1.The unexpected return of his wife gave him a big surprise.