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单词 jackscrew
释义

WordReference Random House Unabridged Dictionary of American English © 2024
jack•screw  ( jakskro̅o̅′),USA pronunciation n. 
  1. Buildinga jack for lifting consisting of a screw steadied by a threaded support and carrying a plate or other part bearing the load. Also called screw jack. 
  • jack1 + screw 1760–70

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更新时间:2025/2/23 7:54:17