论文部分内容阅读
【机油的分类】关于机油,最基本的分类概念,当然是API品质等级和SAE粘度等级。一般包装或公报上都会注明。这也是车友们购买机油时最关心的两个参数。而机油还有个参数——基础油分
Classification of the oil The most basic classification concept about the oil, of course, is the API quality grade and the SAE viscosity grade. General packaging or bulletin will be marked. This is also the two most concerned about when the riders buy oil. The oil there is a parameter - the base oil