voided slab
短语词组
- voided d slab 空心板
- cellular voided flat slab 蜂窝式空心楼盖
- tubular voided slab 管式空心板
- concrete voided slab 砼空心板
- prestressed concrete voided slab 预应力混凝土空心板
- voided slab cracks 空心板裂缝
- voided slab bridge 空心板梁桥的
- precast voided slab 预制空心板
- voided slab beam 空心板梁 返回 voided slab