名词
中文翻译：Unknown
同义词：
['progressive cooling', 'progressive heating', 'progressive heat treatment']
例句：
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1. During the process of quenching, the temperature drops rapidly, which is beneficial for improving the mechanicalproperties of the material.
在淬火过程中，温度迅速下降，这有助于提高材料的机械性能。
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2. The steel undergoes progressive quenching to achieve a high hardness and wear resistance.
钢材通过渐进式淬火来获得高硬度和耐磨性。
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3. The manufacturing process involves progressive quenching to ensure the uniformity of the microstructure.
制造过程包括渐进式淬火，以确保微观结构的均匀性。