lube classification

例句：

1. 1.The lube classification is essential for maintaining the proper functioning of mechanical components.
   润滑分类对于机械部件的正确运作至关重要。
2. 2. In this study, we classified the data into three categories based on their statistical properties.
   在这项研究中，我们根据它们的统计属性将数据分为三个类别。
3. 3.The classification of materials is crucial in determining their suitability for specific applications.
   材料分类对于确定其适用于特定应用至关重要。