However, the term may refer to stiffness or refer to resistance to scratching, abrasion or cutting.
这个之外，这个词还有可能指代刚度或是材料的抗刮伤、抗磨损、抗剪切的能力。
According to the procedure used, steel can be hardened to resist cutting action and abrasion, or it can be softened to permit machining.
按所采用的步骤，钢可以通过硬化来抵抗切削和磨损，也可以通过软化来允许机加工。
The cutting abrasion of tools is the focus in cutting study.
刀具的磨损和破损是切削加工研究的重点。
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