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单词 patent log
释义

WordReference Random House Unabridged Dictionary of American English © 2024
patent log, [Naut.]
  1. Nautical, Naval Termsany of various devices for determining the speed of a ship by means of a vaned rotor streamed at the end of a log line upon which it exerts a torsion transmitted to a registering device on board. Also called screw log. 
  • 1875–80

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更新时间:2024/11/13 11:43:55