名词
中文翻译：梁
同义词：
['I-beam', 'I-beam column', 'I-beam brace']
例句：
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1.The beam of the roof is supported by the beams.
屋顶的横梁由梁支撑。
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2.The beam was too weak to support the weight of the roof.
这根梁太弱了，无法支撑屋顶的重量。
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3.The beam was used to reinforce the structure.
这根梁被用来加固结构。