superhigh speed steel

例句：

1. 1.The cutting tool made from this superhighspeed steel is extremely sharp.
   这种由超高速钢制成的切削工具非常锋利。
2. 2. Theengineer used the superhigh speed steel tomake a precision machine part.
   这位工程师用超高速钢制造了一个精密的机械部件。
3. 3. The car's engine was madeof superhigh speed steel, which madeit run more efficiently.
   这辆车的引擎是用超高速钢制造的，这使得它运行得更加高效。