rapid steel

• 高速钢

rapid steel的用法和样例：

例句

1. The knife is made of high-speed steel.
   这把刀是由高速钢制成的。
2. The amount of residual austenite in high vanadium high speed steel was measured by ferromagnetism method.
   采用铁磁性法测定了高钒高速钢中残余奥氏体量。