名词中文翻译
中文翻译：底层支撑杆
同义词：
['substructure', 'foundation beam']
例句：
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1.The engineer designed the underlay shaft to support the roof load.
工程师设计了底层支撑杆来支撑屋顶荷载。
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2. The construction crew carefully installed the underlay shaft before starting the project.
施工队伍在开始项目之前小心翼翼地安装了底层支撑杆。
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3. The underlay shaft is crucial for ensuring the stability of the building's foundation.
底层支撑杆对于确保建筑物地基的稳定性至关重要。