您要查找的是不是：
- structural floor unit 结构楼板装配件
- Structural floor framing members are usually dimension lumber or engineered wood products. 结构楼板框架构件通常是规格材或工程木制品。
- precast trough shaped floor unit 预制槽形楼板
- Don't scrape your feet on the floor. 别用脚蹭著地板。
- The tables are firmly fixed to the floor. 桌子都牢牢地固定在地板上。
- A structural unit, such as a beam or wall. 构材建筑物之单位结构，如横梁或墙
- The book hit the floor with a thud. 这书砰的一声落在地板上。
- He canted over from his chair onto the floor. 他从椅子上跌倒在地板上。
- He fell on the floor with an awful whomp. 他摔在地板上发出一声可怕的撞击声。
- He wiped up the spilt milk on the wooden floor. 他揩掉了泼在地板上的牛奶。
- Their clothes lay in a huddle on the floor. 他们的衣服杂乱地堆在地板上。
- If this method is impractical safe access can be arranged onto the scaffold from the structure floors. 如果这个办法不行，可以从结构楼层安全走上脚手架。
- He spread the map flat out on the floor. 他把地图平铺在地上。
- There is a structural alteration to the building. 这座建筑物在这有一处结构上的改变。
- We put the books in piles on the floor. 我们把书在地板上堆起来。
- He loses his footing on the wet floor and fall. 他在潮湿的地板上失去平衡而摔倒了。
- The basic structural unit of yarn is the fiber. 纤维是纱的基本结构单元。
- There are some vacant offices on the third floor. 四楼有几间空著的办公室。
- He is assigned a room on the grind floor. 他分配到底层一间房子。
- He lay on the floor with a cushion under his head. 他躺在地板上，头下枕着一个垫子。
