产品特点：材质优良，加工细腻，精密度高，光洁度好，耐磨性强，使用寿命长。
Features: Material fine, fine processing, high precision, finish good, strong wear resistance, long life.
研究锤头的材质对其耐磨性的影响作用，对保证正确选用材质有重要的意义。
Thus it is significant to study the influence of head materials on abradability.
研究锤头的材质对其耐磨性的影响作用，对保证正确选用材质有重要的意义。
Thus it is significant to study the influence of head materials on abradability.
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