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关注：1
2013-05-23 12:21
求翻译： Lubrication systems must be able to minimize the movable parts wear, reduce operation noises, perform the movable mechanical parts cooling, prevent corrosion of the movable surface contacts, protect parts from contamination by undesired materials and retain contaminants.是什么意思？ 待解决
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- 离问题结束还有
Lubrication systems must be able to minimize the movable parts wear, reduce operation noises, perform the movable mechanical parts cooling, prevent corrosion of the movable surface contacts, protect parts from contamination by undesired materials and retain contaminants.
问题补充： |
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