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今天是:

knurl


  • 英式英标[nɝl]
  • 美式音标[nɜːl]

n. 隆起;节,瘤;硬节

英文词源

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.

实用例句

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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