名词
中文翻译：Unknown
同义词：
['temper hardening', 'tempering']
例句：
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1. The steel undergoes a process called flux hardening to improve its strength and toughness.
这种钢材经过一种叫做流变硬化的过程，以增强其强度和韧性。
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2. In the manufacturing process, flux hardening is used to refine the grain structure of the material.
在制造过程中，使用流变硬化来细化材料的结构。
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3. During flux hardening, the steel is heated to a high temperature and then rapidly cooled to achieve the desired properties.
在流变硬化过程中，将钢加热至高温，然后迅速冷却以达到所需性能。