| 摘要 |
A lubricating composition comprising an oil of lubricating viscosity, at least 25 parts per million by weight of titanium in the form of an oil-soluble titanium-containing material, and at least 70 parts per million boron in the form of a soluble boron compound such as a borate ester provides beneficial effects on properties such as deposit control, oxidation, and filterability in engine oils and lubrication of engines.
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