The detriments of engine overheat are explained and the structures of fan and radiator are improved.

阐述了发动机过热的危害性，并对散热器及风扇等进行了结构改进。

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The test result shows the engine overheat problem long time existed in ZA6440 light bus has been solved by the improved cooling system.

试验结果表明，改进后的冷却系解决了ZA6440轻型客车长期存在的发动机过热问题。

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Earlier Sanna had explained that overcast skies and no wind made for a good top speed, but the air temperature, 28 degrees Celsius (83 degrees Fahrenheit), was too warm to sustain it for an entire lap--the engine would overheat.

FORBES: One Lamborghini, One Man, 200 MPH