slab and girder floor

例句：

1. 1. The architect designed a slab and girder floor for the new office building.
   建筑师为新办公楼设计了一块板和梁的地板。
2. 2.The engineer recommended using steel slab and girder floors for the construction project.
   工程师建议使用钢制板和梁的地板进行建设项目。
3. 3. The contractor installed the slab and girder floors in the factory's basement.
   承包商在工厂地下室安装了板和梁的地板。