名词
中文翻译：退火钢
同义词：
['annealed steel', 'tempered steel']
例句：
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1.The steel was decomposed to improve its strength and toughness.
将钢材退火以提高其强度和韧性。
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2. The engineer used the tempered steel for the construction of the bridge.
工程师使用回火钢建造了这座桥。
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3.The steel is known for its high tensile strength and low yield point.
这种钢材以其高抗拉强度和低屈服点而闻名。