double stage nitriding

例句：

1. 1. The process of double stage nitriding is crucial for the quality improvement of steel products.
   双阶段氮化工艺对于提高钢铁产品的质量至关重要。
2. 2.During the double stage nitriding process, the material undergoes a rapid transformation that leads to significant improvements in strength and hardness.
   在双阶段氮化过程中，材料经历快速的转化，导致强度和硬度的显著提升。
3. 3. The double stage nitriding technique has been widely adopted in the automotive industry due to its ability to producehigh-quality parts with reduced defects.
   由于其能够生产出质量更高且缺陷更少的零件，双阶段氮化技术在汽车行业得到了广泛应用。