英语词汇“reaction fin”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	reaction fin
释义	reaction fin reaction fin [rē′ak·shən ‚fin] (naval architecture) A multiple fin or stationary propeller installed ahead of a ship's propeller, with fins warped so that water flowing into the propeller rotates in the direction opposite, resulting in elimination of race rotation aft of the propeller, and thereby in increased efficiency.
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