fine steel

• 优质钢

fine steel的用法和样例：

例句

1. The factory produced more steel, and all of fine quality at that.
   工厂生产了更多的钢材，而且都是优质钢。
2. The blacksmith forged the machine parts with the finest steel.
   铁匠用优质钢锻造这些机器部件。