chromium-tungstenvanadium steel

例句：

1. 1. This steel is used in the production of high-strength tools.
   这种钢用于生产高强度工具。
2. 2. The steel plate was severely corroded by the acidic solution.
   钢板被酸性溶液严重腐蚀了。
3. 3. The steel structure is strong and durable, making it ideal for building heavy machinery.
   这种钢材结构坚固耐用，非常适合建造重型机械。