This program suited for centrifugal pump design and manufacture phase, the method rarely used in the production of the site.

这一方案适于在离心泵的设计制造阶段，该方法在生产现场很少采用。

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Least square method of polynomial or the method based on the given function are used to fit pump characteristic curve in pump selection or operation.

在水泵的选型或运行中，通常采用多项式的最小二乘法或根据假设的函数关系来拟合水泵性能曲线。

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This paper introduces an testing method and testing equipment for the performance of heat transfering of pipes buried under ground in a ground source heat pump system.

介绍一种地源热泵地下埋管换热性能测试装置及测试方法，并对该装置的用途进行了分析讨论。

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