名词
中文翻译：铁金属
同义词：
['ferro metal', 'ferrous metal']
例句：
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1.The steel industry is a major contributor to the economy.
钢铁工业是经济的主要贡献者。
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2.The new steel mill has been completed successfully.
新的钢铁厂已经成功建成。
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3. Steel is a strong and durable material that is used in many different applications.
钢是一种强韧耐用的材料，被用于许多不同的应用中。