heat treat condition

例句：

1. 1. The materialmust be subjected to a specific heat treatment condition to achieve optimal performance.
   该材料必须经过特定的热处理条件才能达到最佳性能。
2. 2.During the manufacturing process, the product is subjected to various heat treatment conditions to ensure its durability and quality.
   在生产过程中，产品会经历各种热处理条件，以确保其耐用性和质量。
3. 3. The research focused on the effects of different heat treatment conditions on the mechanical properties of the materials.
   该研究专注于不同热处理条件对材料机械性能的影响。