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单词 crown saw
释义

WordReference Random House Unabridged Dictionary of American English © 2024
crown saw′, 
  1. Buildinga rotary saw consisting of a hollow cylinder with teeth formed on one end or edge, as a trephine or trepanning saw. Also called cylinder saw, hole saw. 
  • 1860–65

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更新时间:2024/9/21 0:52:06