heat-treat

例句：

1. 1. The material was subjected to a high-temperature heat treatment to improve its strength.
   该材料经过高温热处理以提高其强度。
2. 2. Heat treatment is an important process in the manufacturing of metals and alloys.
   热处理是金属和合金制造过程中的一个重要过程。
3. 3. During the heat treatment, the material's properties are altered to meet specific requirements.
   在热处理过程中，材料的性质被改变以满足特定的要求。