cupric cemented steel

例句：

1. 1. This type of steel is commonly used in construction due to its high strength and durability.
   由于其高强度和耐久性，这种钢材常用于建筑。
2. 2.The engineer designed the new machine with a focus on minimizing weight while maintaining its strength.
   工程师设计了这台新机器，主要目的是在保持强度的同时尽可能减轻重量。
3. 3.The use of this type of steel has significantly reduced the cost of building heavy structures.
   使用这种钢材显著降低了建造重型结构的成本。