alloying composition

例句：

1. 1. Thesteel is made from a mixture of ironand carbon, which is an alloying composition.
   这种钢是由铁和碳的混合物制成的，是一种合金。
2. 2. In the manufacturingprocess, the alloying composition playsa crucial role in determining the properties ofthe final product.
   在制造过程中，合金成分在决定最终产品的性质方面起着至关重要的作用。
3. 3. The alloying composition helps toimprove the strength and durability of the material.
   合金成分有助于提高材料的强度和耐用性。