Then on the principle of optimizing design the working condition of ground source heat pump system is analyzed. According to the performance of the unit each main component is designed.

然后本着优化设计的原则对地源热泵系统的设计工况进行了分析，根据其工作特点对机组各主要部件进行了设计。

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Then on the principle of optimizing design the working condition of ground source heat pump system is analyzed. According to the performance of the unit each main component is designed.

然后本着优化设计的原则对地源热泵系统的设计工况进行了分析，根据其工作特点对机组各主要部件进行了设计。

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