metallurgic heat treatment

例句：

1. 1. The process of metallurgic heat treatment is crucial for the quality of the final product.
   金属热处理过程对于最终产品的质量至关重要。
2. 2. During the metallurgic heat treatment, the material undergoes significant changes in its physical and chemical properties.
   在金属热处理过程中，材料会经历显著的物理和化学性质变化。
3. 3. The metallurgic heat treatment is used to improve the strength and toughness of the material.
   金属热处理用于提高材料的强度和韧性。