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	pulley block noun A block or casing in which one or more pulleys are mounted.The pulley block had not been invented at this time and the Vikings used a curious devices called ‘Virgins', ‘Angels' or ‘Maidens'.... A solitary pulley block lies encrusted against the steel deck. At sea, this would be connected by ropes across the deck through pulley blocks to a drum behind the ship's steering wheel.
随便看	many a one many a true word is spoken in jest manyatta many a —— many-body many-colored many-coloured many-faceted manyfold many hands make light work many happy returns (of the day) many-headed many-hued many-mansioned manyness manyogana manyokana manyplies many-root many-roots many-seed many-sided many-sidedness many-splendored many-splendoured

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