托板支承无梁楼板结构
flat slab drop construction
无梁楼板结构
beamless slab construction
flat slab construction
flat slab beamless construction
钢筋混凝土无梁板结构
flat reinforced concrete slab structure
无梁楼板构造
girderless floor construction
高密皮层低密芯层填充结构
Structure with high-density skins and a low-density core material
致密充填结构
dense packing arrangement
板梁结构
slab and girder structure