求翻译：Lubrication system is the main role in all parts of the engine-specific vehicles for effective lubrication to prevent excessive wear. In normal circumstances, the private car per driving 5000km-10000km maintenance when it needs cleaning once in the face of the engine noise is too large to accelerate the weakness, the water temperature is too high when they need cleaning and maintenance time. Cleaning inside the engine sludge and other sediments to avoid high temperature oxidation of oil thickening and reduce wear on engine components, extending engine life, improve engine power.是什么意思？

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