dry annealing

例句：

1. 1. Dry annealing is an essential step in the manufacturing process of many metals.
   干热处理是制造过程中许多金属的关键环节。
2. 2. During the drying process, the material undergoes a series of chemical and physical changes.
   在干燥过程中，材料会经历一系列的化学和物理变化。
3. 3. The quality of the final product depends on the accuracy of the dry annealing process.
   最终产品的质量取决于干热处理过程的准确性。