With comprehensively analyzing the reasons for which the engine oil ceases to be effective in the early stages, this topic elaborates the correct methods and measures of selecting EO, using and maintaining engines, as well as timely renewing EO, etc.

• 通过系统分析发动机机油早期失效的原因 ,阐述在选择机油、使用和维护发动机、适时更换机油等方面的正确方法和措施