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built-up edge
tech. 切屑瘤; 切屑卷边; 刀瘤
built-up-edge ['bilt'ʌpedʒ]
gen. 切〔积〕屑瘤; 切屑卷边
mech. 组合边; 刀瘤
built up edge
met. 切屑瘤; 刀瘤; 组合面; 装配侧