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	Sankhya sankhyas sankt an Sankt Anton am Arlberg sankt gallen sankt moritz sanmartinite sann sann hemp sanna sannops sannup sannups sannyasi sannyasin sannyasins sannyasis sanpakus sanpan Sanpoil sanpoils SANR Sanron sans sans doute

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roller jewel