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对兰炼硫化烷基酚钙工试产品的质量进行了较全面的评定，并已成功地应用于CC、CD、QC、QD、QF内燃机油以及多级铁路四代油中。
The quality of Lanlian sulfurized alkylphenol calcium test product has been evaluated comprehensively and has been successfully applied in CC, CD, QC, QD, QF internal combustion engine oil and multi-level railway fourth generation oil.