英语词汇“pulley-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

pulley-block

释义

Noun: 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
- pulley, pulley block, block

Derived forms: pulley-blocks

Type of: machine, simple machine

Part of: block and tackle

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