选择轿车机油有两个重要指标:一是按粘度标准选择,二是按使用性能及油品质量级别的标准进行选择。对于内燃机油来说即有粘度分级,又有使用性能类别,如何对油品的规格进行分类选择,笔者根据自身工作经验作一简要介绍。 Select car oil has two important indicators: First, according to the viscosity standard, the second is based on performance and quality standards for oil products to choose from. For internal combustion engine oil that is viscosity classification, but also the use of performance categories, how to classify the specifications of oil products, the author based on their own work experience for a brief introduction.