slag making materials

例句：

1. 1. The steel mill usesa variety of slag making materialsto produce steel.
   钢铁厂使用各种熔渣制造材料来生产钢铁。
2. 2. Theslag making process is crucial for theefficiency of the blast furnace.
   熔渣制造过程对于高炉的效率至关重要。
3. 3. Theslag making materials are carefully selected toensure the quality of the final product.
   熔渣制造材料被精心选择，以确保最终产品的质量。