名词
中文翻译：底部铺装
同义词：
['underfloor paving', 'subfloor paving']
例句：
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1.The architect designed the bottom paving for the new building.
建筑师为新建筑设计了底部铺装。
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2. The contractor was asked to finish the bottom paving before the project started.
承包商被要求在项目开始前完成底部铺装。
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3.The company decided to use a different material for the bottom paving in their office complex.
公司决定在其办公大楼使用不同的材料作为底部铺装。