名词
中文翻译：轻量级钢梁段
同义词：
['light gauge steel section', 'lightgauge steel beam', 'light gauge steel beamsection']
例句：
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1. The engineerdesigned the bridge to be lightweight and durable.
工程师设计这座桥时，考虑到了其轻便和耐用的特性。
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2. The construction of this bridgerequired the use of light-gauge steel sections.
建造这座桥需要使用轻型钢梁。
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3. The new building uses light-gauge steel beams for its structuralintegrity.
新建筑使用了轻型钢梁来保证其结构的稳定性。