vacuum annealing

例句：

1. 1. The process of vacuum annealing is crucial for the quality of the final product.
   真空退火过程对于最终产品的质量至关重要。
2. 2.During the vacuum annealing process, the material is heated to a high temperature and then cooled rapidly to achieve its optimal properties.
   在真空退火过程中，材料被加热至高温，然后迅速冷却以获得其最佳性能。
3. 3. The vacuum annealing technique has been widely used in the manufacturing industry to improve the strengthand durability of metal parts.
   真空退火技术在制造业中得到广泛应用，用于提高金属部件的强度和耐用性。