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单词 castellated nut
释义

WordReference Random House Unabridged Dictionary of American English © 2024
castellated nut, 
  1. Buildinga tall lock nut, having on its outer face radial slits allowing for insertion of a cotter pin or wire in both the nut and a hole in its bolt, so as to prevent the nut from coming loose. See illus. under nut. Also called castle nut. 
  • 1900–05

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更新时间:2025/7/23 10:29:06