prestressed concrete drilled caisson

例句：

1. 1.The prestressed concrete drilled caisson was used to support the foundation of the new bridge.
   预应力混凝土钻孔沉箱被用来支撑新桥的基础。
2. 2.The construction of the prestressed concrete drilled caisson is a complex process requiring expertise in engineering.
   预应力混凝土钻孔沉箱的建造是一个复杂的过程，需要工程专家的专业知识。
3. 3. The prestressed concrete drilled caisson has been proven to be an effective solution for flood controlin urban areas.
   预应力混凝土钻孔沉箱已被证明是城市地区防洪的有效解决方案。