vacuum-treated steel

例句：

1. 1.The vacuum-treated steel is used in the production of high-quality pipes.
   真空处理的钢用于生产高质量的管道。
2. 2. The vacuum-treated steel is highly resistant to corrosion and wear.
   真空处理的钢具有很强的抗腐蚀性和耐磨性。
3. 3. The vacuum-treated steel is widely used in various industries due to its excellent mechanical properties.
   由于其出色的机械性能，真空处理的钢在各种行业中得到了广泛应用。