英语词汇“willis system”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	willis system
释义	willis system noun Usage: usually capitalized W Etymology: after Robert Willis died 1875 English mechanician : a system of using for the generating circle of cycloidal teeth a circle equal in radius to a pinion having twelve teeth of the given pitch
随便看	pygopodid pygopodium pygopodous pygopus pygostyle pygostyled pygostylous pyingado pyinkado pyinma pyjamas pyke pyknic pykno- pykno pyknoepilepsy pyknolepsy pyknometer pyknosis pyknotic pykrete pyl pyl- pyla pylagore

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