本文通过对两种不同确定方法的阐述和计算（实测）结果的分析比较，得出了确定电缆导体单线直径的一种较好方法。

This paper analyses the effect of fin distance on evaporator performance and presents a method to determine the maxiumum fin distance in evaporator design.

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本文通过对两种不同确定方法的阐述和计算（实测）结果的分析比较，得出了确定电缆导体单线直径的一种较好方法。

This paper discusses the determination method for the polymer volume combining with theoretical study and field application, and determines a reasonable polymer volume scope.

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