空心无梁楼盖
hollow beamless roof
voided flat plat floor
cast-in-place RC hollow flat slab
hollow flat slab
non-beam roofing
现浇空心无梁楼盖
cast-in-situ concrete hollow flat slab
现浇砼空心无梁楼盖
cast-in-place concrete hollow plate-column structure
Cast-in-place Concrete Hollow Girderless Floor System
蜂窝式空心楼盖
cellular voided flat slab
平行圆管空心双向板
two-way voided slab with paralleled circle-tube
卧式管式空气预热器
horizontal tubular air preheater
井式梁楼盖
floor-slab with crossing beams beneath
蜂巢空心楼盖
bee’s nest hollow floor slab
混凝土空心楼盖
cast-in-situ hollow concrete slab
空心楼盖
hollow floor
hollow slab
holow concrete floor system
hollow floor structure
现浇混凝土空心楼盖
cast-in-place concrete hollow floor
cast-in-situ hollow concrete floor
Cast-in-Situ Hollow Concrete Floor System
Cast-in-situ concrete hollow floor
现浇空心楼盖
cast-in-situ hollow slab
On-the-Spot Cast Hollow Floor Structure
Cast-in-situ Hollow Floor