hollow-backed flooring

例句：

1. 1.The hollow-backed flooring is easy to install and has a long lifespan.
   这种空心背板地板安装方便，使用寿命长。
2. 2. The hollow-backed flooring is suitable for high-traffic areas, such as commercial buildings.
   这种空心背板地板适合高流量区域，如商业建筑。
3. 3. The hollow-backed flooring is an eco-friendly option that reduces noise pollution in the home.
   这种空心背板地板是一种环保选项，可以减少家庭中的噪音污染。