cemented surface

例句：

1. 1.The concrete slab is cemented to the ground with steel rebar.
   混凝土板用钢筋与地面固定。
2. 2.The construction crew has been working on the cemented surface for several days now.
   建筑工人一直在硬化表面上工作了几天。
3. 3. The engineer inspected the cemented surface of the bridge before it was opened to traffic.
   工程师在桥梁开放交通前检查了其硬化表面。