carburization zone

例句：

1. 1.The carburization zone is the area where carbon is added to steel during the process of smelting.
   燃烧带区域是炼钢过程中向钢中添加碳的区域。
2. 2.The carburization zone is crucial for the quality of the steel.
   燃烧带区域对钢材的质量至关重要。
3. 3. The carburization zone is a critical factor in determining the strength and durability of the steel.
   燃烧带区域是决定钢材强度和耐用性的关键因素。