Nonmetallic body of cutting tool, cutting tool and its mfg. and using method.
切削工具的非金属本体，切削工具及其制造，使用方法。
Finally, the validity of the method is tested by means of cutting tool wear experiment.
通过刀具磨损实验验证了该方法的有效性。
Finally, the validity of the method is tested by means of cutting tool wear experiment.
通过刀具磨损实验验证了该方法的有效性。
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