joisted floor 搁栅搂盖
joisted ceiling 搁栅吊顶
brick joisted 砖木结构的
joisted d floor 搁栅搂盖
joisted d ceiling 搁栅吊顶
double-joisted floor 双层龙骨地板
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N-COUNT Joists are long thick pieces of metal, wood, or concrete that form part of the structure of a building, usually to support a floor or ceiling. 托梁
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