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	tapeta tapete tapeti tapetis tapetum tapeworm tapeworm plant tapeworms taphephobia taphephobiae taphephobias taphole tapholes taphonomic taphonomies taphonomist taphonomists taphonomy taphouses Taphria Taphrina Taphrinaceae taphrinaceous Taphrinales Tapi

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roller jewel