切削性操作 有錾削、锯削、锉削、攻螺纹、套螺纹。
Chisel cutting operation of cut, cut cut, cut file, attack thread, the thread sets.
这些事实说明了金属切削在常规制造中的重要性。
These facts show the importance of metal cutting in general manufacturing.
极好的耐磨性，不适合金属切削操作。
Excellent resistance against wear, not suitable for metal cutting operations.
切削刀具的硬度越高，耐磨性就越好。
Wear resistance improves as cutting tool hardness increases.
切削刀具的硬度越高，耐磨性就越好。
Wear resistance improves as cutting tool hardness increases.
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