名词
中文翻译：铁构造
同义词：
['steel construction', 'iron structure']
例句：
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1. The new bridge is made ofsteel and has a strong iron construction.
这座新桥是用钢建造的，具有坚固的铁构造。
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2. The old building wasbuilt with iron structures that were difficult torepair.
那座旧建筑是用铁构造建成的，很难修复。
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3. The architect designed theiron construction to be energy-efficient.
这位建筑师设计了这种铁构造，以实现能源效率。