Large-capacity water pump, liquid-cooled oil cooler and twin ring-type radiator fans ensure optimal engine cooling efficiency.

大容量水泵，水冷机油冷却器和双圆环型散热器风扇确保最佳发动机的冷却效率。

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Regenerator is one of the key components of pulse tube cooler, and its efficiency can greatly influence the performance of pulse tube cooler.

回热器是脉管制冷机的关键部件之一，其效率对脉管制冷机性能有很大影响。

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It is illustrated that discharge temperature of gas cooler, efficiency of expander and degree of superheat at the inlet of compressor can exert more influence on the optimum high pressure.

结果表明，气体冷却器出口温度、过热度和膨胀机效率对最优高压压力的影响较为明显。

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