flat layered pile

例句：

1. 1.The flat layered pile is a popular material for building houses.
   平坦的分层堆是建造房屋的流行材料。
2. 2. The flat layered pile is easy to install and maintain.
   平坦的分层堆易于安装和维护。
3. 3.The flat layered pile provides excellent insulation and soundproofing properties.
   平坦的分层堆提供了卓越的隔热和隔音特性。