英语词汇“rounder and 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	rounder and backer
释义	rounder and backer noun : a machine that accepts a book with a flat backbone, rolls it out to give concave front and convex back edges, and completes the shaping by backing — compare roller-backer
随便看	hesperid hesperidate hesperidean hesperideous hesperidian hesperidin hesperidium hesperiid hesperiidae hesperinos hesperioidea hesperis hesperitin hesperornis hesperornithiformes hess hesselbach hesselbach's hesselbach's triangle hessian hessian hessian andiron hessian boot hessian cloth hessian crucible

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