英语词汇“pulley block”的意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pulley block
释义	pulley block 汉语翻译滑轮组【化】滑轮组英语解释：名词 pulley block: a simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope 同义词：pulley, pulley-block, block
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pulley block