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。

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

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在内燃机的生产过程中，气缸盖铸造水芯的冷却效率对于发动机的热应力分析至关重要。

In the process of diesel engine manufacturing, the cooling efficiency of the casting core of cylinder head is critical to the thermal stress analysis.

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发动机风扇的设计原则是在满足发动机冷却能力的前提下，提高风扇效率，降低风扇噪声。

The design principles of engine cooling fans are meeting the cooling demands of a engine, improving the efficiency of fans and reducing the fan noise.

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