名词短语
中文翻译：以中心为支撑的光束
同义词：
['central beam', 'central support beam']
例句：
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1.The beam with central prop was used to support the roof.
以中心为支撑的光束被用来支撑屋顶。
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2. The beam with central prop is crucial for the stability of the structure.
以中心为支撑的光束对于结构的稳定性至关重要。
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3.The beam with central prop was installed in the center of the room.
以中心为支撑的光束被安装在房间的中心。