摘要
介绍了SAE J300内燃机油粘度分类的沿革,阐述了促进其升级换代的主要影响因素。
The evolution of viscosity classification of SAE J300 engine oil is explained,while main influence factors promoting the upgrading are discussed in this paper.
出处
《石油商技》
2002年第5期51-54,共4页
Petroleum Products Application Research
