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1.The steel is used in the construction of bridges and buildings.
这种钢材用于桥梁和建筑物的建设。
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2.Hysteresis steel is a type of material that has a high strength-to-weight ratio.
滞后钢是一种具有高强度-重量比的材料。
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3. The steel industry is one of the most important industries in the world.
钢铁工业是世界上最重要的工业之一。