结果表明， 填料的加入可以缩短磨合期，延长稳定磨损期。

The results show that bringing fillers in UH- MWPE can shorten breaking-in period, prolong the steady wear period.

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例如：清除油污和磨损的铁粉，延长寿命，延长换油期去除黑烟，提高内部压缩力，增加动力，降低油耗等。

For example: decontamination and wear of iron, longer life, extended oil change on the removal of smoke, to improve the internal compression force, increase power and reduce fuel consumption.

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HIV病毒会逐渐磨损人体免疫系统，潜伏期可达数年之久。

It gradually wears down the immune system (3) and can take years to cause symptoms.

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