manganese silicon tool steel

例句：

1. 1.The steel cutting machine is the most important tool in the workshop.
   这台钢材切割机是车间里最重要的工具。
2. 2.The manganese-silicon alloy tool steel is used to make high-quality tools for metalworking.
   这种锰硅合金工具钢用于制造高质量的金属加工工具。
3. 3.The steel cutting machine uses this tool steel to cut through hard materials.
   钢材切割机使用这种工具钢来切割硬质材料。