water-hardened steel

例句：

1. 1. This type of steel is commonly usedin construction projects.
   这种类型的钢常用于建筑项目中。
2. 2. The steel was water-hardened to increase its strength and durability.
   这种钢经过水硬处理以提高其强度和耐久性。
3. 3. The steel plate waswater-hardened to resist corrosion.
   这种钢板经过水硬处理以抵抗腐蚀。