单词 chamfer 释义 ▪ I. chamfer, n.|tmf(r)|Also 7 chamfre.[app. ad. F. chanfrein, formerly also chamfrain, chanfrain, -frin, ‘a chanfering or a channel, furrow, hollow gutter, or streake in stone-worke, etc.’ (Cotgr.), f. OF. chanfraindre to chamfer. I...