microalloying

例句：

1. 1. In the manufacturing process, microalloying is used to improve the strength and toughness of steel.
   在制造过程中，微合金化用于提高钢的强度和韧性。
2. 2. The alloying process involves adding small amounts of other metals to the base material to achieve thedesired properties.
   合金化过程涉及向基础材料中添加少量其他金属以获得所需性质。
3. 3. Microalloying is an effective way to enhance the corrosion resistance of materials in harsh environments.
   微合金化是一种有效的方式，可以增强材料在恶劣环境中的耐腐蚀性。