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润滑脂等级分类中NLGI#等级是什么的缩写?

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润滑脂等级分类中NLGI#等级是什么的缩写?
润滑脂等级分类中NLGI#等级是什么的缩写?
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.