knurl

英 [nɜːl] 美 [nɝl]
  • n. 隆起;节,瘤;硬节
knurl
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knurl (n.)
"hard excrescence," c. 1600, probably a diminutive of Middle English knor "knot" (c. 1400), related to gnarled, from Proto-Germanic *knur- (cognates: German knorren "a knotty excrescence"). Related: Knurly.
1. There are lots of advantages by cold extrusion for straight knurl nut in a single process.
直纹滚花螺母采用冷挤压一次成形新工艺,成效显著.

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