润滑油美孚的比较好,但是贵一点,壳牌、嘉实多也是可以的。润滑油是用在各种类型汽车、机械设备上以减少摩擦,保护机械及加工件的液体或半固体润滑剂,主要起润滑、冷却、防锈、清洁、密封和缓冲等作用(Roab)。
润滑油一般由基础油和添加剂两部分组成。基础油是润滑油的主要成分,决定着润滑油的基本性质,添加剂则可弥补和改善基础油性能方面的不足,赋予某些新的性能,是润滑油的重要组成部分。
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铁路乘务专业
技能+就业
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汽车维修专业
技能+就业
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焊工培训+考证
短期技能精修
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二手车评估师
培训+考证
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