... precast ribbed roof slab 大型屋面板 ; 预制大型屋面板 ribbed floor slab 肋形楼板 multi-ribbed wall slab 密肋复合墙板 ...
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ribbed slab floor 密肋楼板
two-way ribbed slab floor 双向密肋楼盖结构体系
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The ribbed slab floors with shallow beams has thin floor and small beams but can provide large bearing capacity.
密肋楼盖结构楼板薄、梁小，而承载力却较大。
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