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

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	blusterous blusterously blustery blutwurst blvd B lymphocyte b lymphocyte blype blythe blythe process blödite bm BM bm b major BME BMEP b minor BMOC BMR BMV BMX BN bn bn

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