英语词汇“patent log”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	patent log
释义	WordReference Random House Unabridged Dictionary of American English © 2024 pat′ent log′, [Naut.] 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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