名词
中文翻译：空心板
同义词：
['hollow block', 'hollow slab', 'hollow block']
例句：
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1.The engineer measured the thickness of the hollow slab and calculated the necessary reinforcement.
工程师测量了空心板厚度并计算了所需的加固。
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2. The construction workers were busy installing the hollow slab in the basement.
建筑工人忙于在地下室安装空心板。
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3. The hollow slab was used as a support for the roof structure during the construction phase.
空心板在施工阶段用作屋顶结构的支撑。