名词
中文翻译：Unknown
同义词：
['退火钢，退火合金，退火金属例句：1. The steel was annealed to improve its strength and toughness.（钢材经过退火处理以提高其强度和韧性。）2. Annealing is a process used to refine metals and remove impurities.（退火是一种用于精炼金属并去除杂质的过程。）3. The annealed metals were then machined into the desired shape.（退火后的金属被加工成所需的形状。）']
例句：
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1. The steel was annealed to improve its strength and toughness.
钢材经过退火处理以提高其强度和韧性。
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2. Annealing is a process used to refine metals and remove impurities.
退火是一种用于精炼金属并去除杂质的过程。
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3. The annealed metals were then machined into the desired shape.
退火后的金属被加工成所需的形状。