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本文简介了树形管道模型的基本理论,并对若干问题进行了讨论。作者认为比管道长L将随分层厚度△Z的增大而增大,Yukihiro等[6]所给出的关系式L_a/L_b=b/a(L_a和L_b分别是△z=a和△z=b时的L值)是有疑问的。
This paper briefly introduces the basic theory of tree pipe model, and discusses some problems. The author thinks that the length L of the pipe will increase with the increase of the layer thickness ΔZ. The relation L_a / L_b = b / a given by Yukihiro et al. [6] is Δz = a and △ The value of L at z = b is questionable.