名词
中文翻译：中央下支柱
同义词：
['central column', 'central pillar例句：1. The central down-comer of the building is crucial for its stability.（建筑的中央支柱对于其稳定性至关重要。）']
例句：
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1. The central down-comer of the building is crucial for its stability.
建筑的中央支柱对于其稳定性至关重要。
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2.The central down-comer is made of steel to withstand heavy loads.
中央支柱由钢材制成，以承受重负载。
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3.The construction crew carefully placed the central down-comer during the installation process.
施工团队在安装过程中仔细放置了中央支柱。