英语词汇“roller jewel”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	roller jewel
释义	roller jewel noun : a usually ruby or sapphire pin set upright in the roller disk and pushed by the pallet fork called also impulse pin
随便看	cutlers cutlery cutlet cutlets cutline cutlines cutling cutlings cutlip minnow cutlips minnow cutmeter cutocellulose cutoff cutoff man cutoff saw cutoffs cutout cutout box cutout cookie cutout switch cutouts cutover cutovers cutpurse cutpurses

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roller jewel