英语词汇“helical rack”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	helical rack
释义	WordReference Random House Unabridged Dictionary of American English © 2024 hel′ical rack′, Mechanical Engineeringa rack having teeth set at an oblique angle to the edges. Cf. rack¹ (def. 5).
随便看	perplexingly perplexity per pro. per pro per procurationem perp walk perquisite perrault perret perrier water perrin perrine perron perronet perrons perrot perry perrysburg pers persalt per se perse persecute persecutingly persecution

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