通用内燃机油 meaning in Chinese

general purpose engine oil
general service oil

This paper analyses the reserve transport and economic results of lubricating oil of import and joint investment made automible . and supply performance index period of changing 10w / 30sf / cd , provide scientific foundation for appraising quality level and adaption of this lubricating oil , and offer economic foundation for wide use in cold zone . at first the paper analyses the performance of the lubricating oil useful in some automible in cold zone then obtain a quantity data and optimum period changing of 10w / 30sf / cd
本文对进口及合资生产车辆的配套用油及所用油的储运情况，经济情况进行了分析，并提出了10w 30sf cd通用内燃机油的性能指标换油周期及经济情况，为评价该油的质量水平及相应车辆的适应性提供了科学依据，同时为其在我国寒区开辟广阔的应用市场提供了经济技术依据。