dam core

例句：

1. 1. The engineers were working on the construction of the new dam core.
   工程师们正在建设新的水坝核心。
2. 2.The dam core is crucial for flood control and water storage.
   水坝核心对于防洪和蓄水至关重要。
3. 3. The dam core was constructed using advanced technology to ensure its durability.
   水坝核心采用了先进技术进行建造，以确保其耐用性。