tertiary wall layer

例句：

1. 1. Thetertiary wall layer is responsible forthe structural integrity of the building.
   次级壁层负责建筑物的结构完整性。
2. 2. The tertiary wall layer plays a crucial rolein the overall performance of the building.
   次级壁层在建筑的整体性能中起着至关重要的作用。
3. 3. The tertiary walllayer is made up of a combination ofmaterials that provide strength and durability.
   次级壁层由提供强度和耐用性的材料组合而成。