单词 | NLGI number |
释义 | NLGI number [¦en¦el¦jē`ī ´nǝm·bǝr] ENGINEERING One of a series of numbers developed by the National Lubricating Grease Institute and used to classify the consistency range of lubricating greases; NLGI numbers are based on the American Society for Testing and Materials cone penetration number. |
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