| 真空泵油失效的原因 |
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kailiang43 发表于 2013-3-12 14:44:00 |
真空泵油失效的原因
(1)高温对真空泵油的影响:真空泵油长期处在高温环境中，会氧化失效，出现变黑、变稠的现象；真空泵
油内部的腐蚀物增加，如发动机工作中形成的酸性物质等;积炭、油泥、漆膜等物质增加。
(2)杂质对真空泵油的影响:主要来源于空气中的尘埃、金属磨粒、渗漏物(水、杂油等)，真空油氧化物以
及燃料燃烧产生的物质等。
(3)添加剂失效:一些真空油因为其中的添加剂失效或耗尽而性能下降。例如真空油中的抗磨剂耗尽，会使
抗磨性下降。
(4)粘度指数改进剂失效:因为其有机物分子长链断裂，不再具有改善粘温性能的作用。
(5)基础油失效:基础油是添加剂的载体，基础油失效则添加剂就不会发挥作用。
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| Re:在漫画中识别身边的违章 |
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pejlp(游客)发表评论于2017-3-4 15:52:59 |
 http://www.esafety.cn/blog/wll/66030/archives/2011/112987.html
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http://www.esafety.cn/blog/u/9490/archives/2010/104878.html
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http://www.esafety.cn/blog/u/3012/archives/2012/120059.html
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http://www.esafety.cn/blog/u/3012/archives/2013/126682.html
http://www.esafety.cn/blog/u/9490/archives/2010/103011.html
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| Re:在漫画中识别身边的违章 |
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fqijn(游客)发表评论于2017-2-20 18:18:07 |
http://wen.28.com/article/122520
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| Re:在漫画中识别身边的违章 |
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netxa(游客)发表评论于2017-2-19 21:52:11 |
http://wen.28.com/article/60389
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| Re:在漫画中识别身边的违章 |
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ycgkn(游客)发表评论于2016-10-22 23:12:24 |
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| Re:在漫画中识别身边的违章 |
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ombfj(游客)发表评论于2016-10-22 13:43:33 |
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| Re:在漫画中识别身边的违章 |
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uqgkm(游客)发表评论于2016-10-17 7:32:57 |
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| Re:在漫画中识别身边的违章 |
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wycgj(游客)发表评论于2016-10-14 18:56:31 |
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| Re:在漫画中识别身边的违章 |
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apuwz(游客)发表评论于2016-10-11 14:37:32 |
http://www.jxedt.com/wen/kaoshi/3170040575862702162.html
http://www.esafety.cn/blog/wll/85686/archives/2010/105092.html
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| 原创 |
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原创(游客)发表评论于2016-9-30 10:04:59 |
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| 原创 |
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原创(游客)发表评论于2016-9-28 15:31:17 |
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| 原创 |
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原创(游客)发表评论于2016-9-6 15:58:00 |
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