要了解不正确的刀具刃磨产生的原因及对策，并作为一种专业能力来培养。
The reason and countermeasure of the incorrect dressing should be known well, and this should be regarded as a professional ability to be cultivated.
要了解不正确的刀具刃磨产生的原因及对策，并作为一种专业能力来培养。
The reason and countermeasure of the incorrect dressing should be known well, and this should be regarded as a professional ability to be cultivated.
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