名词
中文翻译：开放钢
同义词：
['open-section steel', 'open-channel steel']
例句：
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1.The construction of the bridge required the use of open steel beams.
建造这座桥需要使用开放式钢梁。
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2. Open steel is a popular choice for building high-rise buildings due to its strength and durability.
由于其强度和耐用性，开放式钢是建造高层建筑的热门选择。
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3.The new factory uses open steel to construct its walls, which helps reduce energy consumption.
新工厂使用开放式钢来建造墙壁，这有助于减少能源消耗。