求翻译：相比夏天，寒冷的天气对发动机造成的伤害是极大的。所以汽车到了冬季，发动机系统对润滑要求较高。如果使用的是夏季机油则必须更换；其次，对使用时间较长，颜色发黑，附着力变差的机油都应该换掉，以保证发动机启动的顺畅以及行驶时的平顺。下面就为大家介绍下冬季汽车机油的选择，以便车友更好的保护发动机。是什么意思？

Compared to the summer, cold weather damage to the engine is great. So the car in the winter, higher engine lubrication system. If you are using summer oil must be replaced; Secondly, the use of a longer time, the color black, adhesion deterioration of oil should be replaced to ensure the smooth and

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Compares the summer, the cold weather the injury which creates to the engine is enormous.Therefore the automobile arrived the winter, the engine system is high to the lubrication request.If uses is the summer machine oil must replace; Next, is long to the period of revolution, the color becomes dark

Compared to the summer, cold weather caused damage to engine is great. So the cars to the winter, high demands on lubrication of the engine system. Use summer oil must be replaced second, using longer, colors black, poor adhesion of oil should replace to ensure engine starting smoother, and ride com

Than summer cold weather harm to the engines was great. So the cars to the winter, high demands on lubrication of the engine system. If you are using the engine oil must be replaced in the summer and, secondly, on the use of longer, color black, poor adhesion of oil should be replaced to ensure that