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1. The wooden dovetail joist is a crucial component of the building's structural integrity.
木质的榫接梁是建筑结构完整性的关键组成部分。
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2. The engineer carefully designed the dovetail joist to distribute the load evenly across the floor.
工程师仔细设计了榫接梁，以均匀地将载荷分布在地板上。
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3. The dovetail joist was installed in the ceiling to support the weight of the roof and prevent it from collapsing.
榫接梁被安装在天花板上，以支撑屋顶的重量，防止其坍塌。