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一种具有优良的热和氧化稳定性、抗磨性、抗铜腐蚀并与密封材料良好相容性的润滑油组合物 ,它包含一种具有ａ)粘度指数大于 110和苯胺点高于 110℃和 /或ｂ)线型加单环链烷烃含量大于 6 8% (质量分数 )和至少一种选自烯烃 (共 )聚合物 (类 )、聚 (甲基 )丙烯酸烷基酯类及它们的
A lubricating oil composition having excellent thermal and oxidative stability, abrasion resistance, resistance to copper corrosion and good compatibility with a sealing material, comprising a lubricating oil composition having a) a viscosity index greater than 110 and an aniline point greater than 110 ° C And / or b) linear and monocyclic paraffins greater than 68% by mass and at least one compound selected from the group consisting of olefin (co) polymers (poly), polyalkyl (meth) acrylates and their