杭州交通信息网今后工作设想怎么写:润滑脂等级分类中NLGI#等级是什么的缩写？
来源：百度文库 编辑：杭州交通信息网 时间：2024/04/29 20:04:38
NLGI Grade is a widely used classification for lubricating greases. It was established by the National Lubricating Grease Institute. Greases are classified in one of nine grades based on their consistency。
NLGI:National Lubricating Grease Institute因为它是被这个学院制定的。等级为1-9按照润滑脂的浓度。