英语词汇“bullock block”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	bullock block
释义	bullock block (extremely rare) n WORD FAMILY bullock block n a pulley-block at the head of a topmast Syn\|Hyper bollock block, pulley, pulley block, 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
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