grease classification

例句：

1. 1. The oil company has developed a new grease classification system to improve efficiency.
   这家石油公司开发了一种新的润滑油分类系统，以提高效率。
2. 2. The engineer used the grease classification chart to identify the type of lubricant needed for the machine.
   工程师使用润滑油分类表来确定机器所需的润滑剂类型。
3. 3. The manufacturer is introducing a new grease classification system to its customers, which will help them choose the right lubricant for their applications.
   制造商正在为其客户提供一个新的润滑油分类系统，这将帮助他们选择适合其应用的润滑剂。