名词短语
中文翻译：梁底板
同义词：
['梁底板，梁底部板例句：1. The beam bottom board is the main support for the roof structure.（梁底板是屋顶结构的主要支撑。）2. The engineer carefully measured the beam bottom board to ensure its strength.（工程师仔细测量了梁底板以确保其强度。）']
例句：
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1. The beam bottom board is the main support for the roof structure.
梁底板是屋顶结构的主要支撑。
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2. The engineer carefully measured the beam bottom board to ensure its strength.
工程师仔细测量了梁底板以确保其强度。
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3.The beam bottom board was installed in the middle of the building to provide stability.
梁底板被安装在建筑中间以提供稳定性。