plaster ceiling slab

例句：

1. 1. The builder used plaster to repair the crack in the wall.
   建筑工人用石膏修补了墙上的裂缝。
2. 2.The plaster ceiling slab is a common material for building interior walls.
   石膏天花板板是建造室内墙壁的常见材料。
3. 3.The plaster ceiling slab was installed over the old wooden floor.
   石膏天花板板安装在旧木制地板上。