英语词汇“fourfold 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	fourfold block
释义	WordReference Random House Unabridged Dictionary of American English © 2024 four′fold block′, [Mach.] Mechanical Engineeringa block having four pulleys or sheaves. Cf. block (def. 11).
随便看	res. phys. respighi respirability respirable respirableness respiration respirational respirator respiratory respiratory chain respiratory distress syndrome respiratory failure respiratory quotient respiratory syncytial virus respiratory system respire respirometer respirometry respite resplendence resplendency resplendent resplendently resplendent quetzal respond

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