名词
中文翻译：钢柱
同义词：
['steel column', 'steel pillar']
例句：
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1.The steel I-column is the main support for the bridge.
钢I柱是桥梁的主要支撑。
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2. The steel I-column was made from high-quality steel.
钢I柱是由高质量的钢材制成的。
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3.The steel I-column is used to reinforce the structure.
钢I柱用于加固结构。