micro-alloyed steel

例句：

1. 1.The micro-alloyed steel is used in the manufacturing of high-performance components.
   微合金钢用于制造高性能部件。
2. 2. The micro-alloyed steel has excellent wear resistance and corrosion resistance.
   微合金钢具有极好的抗磨损和耐腐蚀性能。
3. 3. The micro-alloyed steel is widely used in aerospace engineering due to its superior mechanical properties.
   由于其优越的机械性能，微合金钢在航空航天工程中得到了广泛应用。