名词中文翻译
中文翻译：Unknown
同义词：
['U-shaped steel', 'U-bar', 'U-channel']
例句：
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1. The construction of the bridge required a lot of U-steel.
建造这座桥需要大量的U型钢。
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2. The engineer used U-steel to reinforce the foundation of the building.
工程师使用U型钢加固了建筑的基础。
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3. The U-steel beams are strong enough to support the weight of the roof.
U型钢梁足够坚固，可以支撑屋顶的重量。