knurl
英 [nɜːl]
美 [nɝl]
英語の語源
- 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.
例文
- 1. There are lots of advantages by cold extrusion for straight knurl nut in a single process.
- 直紋ローレットナットは冷間押出一次成形の新技術を採用し、効果が顕著である。
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