剪刀面：面条被一把巨大的剪刀轮流剪成螺旋状。
Jian Daomian: Noodles are cut with an enormous pair of scissors as the giant spool shaped dough is rotated.
为了提高刀具耐用度，就必须减小后刀面边界磨损。
To improve a tool life in this case, therefore, the flank notch wear must be depressed to generate.
第二章分析了刀具前刀面、后刀面和边界磨损等磨损表面的特征。
The second chapter analyzes the characters of rack face, flank face and boundary wearing.
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