直埋敷设方式越来越广泛的应用于供热管道的敷设中。
The directly buried installation has been applying in the heating pipeline more and more.
建立了供热管网直埋、地沟敷设管道的二维数学模型，通过边界离散方法进行了求解。
Develops the two dimensional mathematical models for direct-buried pipes and in-duct pipes and solves them using the boundary discretization method.
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