名词
中文翻译：Unknown
同义词：
['闭口钢，封闭钢例句：1. The capped steel is used in the construction of bridges and buildings.（带帽的钢用于桥梁和建筑的建设。）']
例句：
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1. The capped steel is used in the construction of bridges and buildings.
带帽的钢用于桥梁和建筑的建设。
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2. The engineer carefully inspected the capped steel before welding.
工程师在焊接前仔细检查了带帽的钢。
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3.The capped steel was tested for strength and durability.
带帽的钢被测试其强度和耐用性。