英语词汇“roller-backer”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	roller-backer
释义	roller-backer \ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ ̷ ̷\ noun : a machine that backs a book by a roller action and forms shoulders but does not round the book except as the rollers perfect the round already imparted — compare rounder and backer
随便看	bulking bulking power bulking value bulk-line system bulk mail bulk modulus bulk-pile bulk process bulks bulk-sales law bulk up bulky bulky bulk yarn bulky color bull bull bulla bullace bullace bullace grape bullamacau bullamacow bullarium bullary

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