alloy treated steel

例句：

1. 1. The alloy treated steel is used in the construction of bridges and buildings.
   这种合金处理钢用于桥梁和建筑物的建设。
2. 2. The alloy treated steel is stronger and more durable than traditional steel.
   这种合金处理钢比传统钢材更坚固耐用。
3. 3. The alloy treated steel is resistant to corrosion and can last for many years.
   这种合金处理钢耐腐蚀，可以持续很多年。