decarburized layer

例句：

1. 1.The steel was decarburized to improve its strength and durability.
   为了提高强度和耐久性，钢材进行了去碳处理。
2. 2. The engineer used a special tool to remove the decarburized layer from the surface of the metal.
   工程师使用特殊的工具从金属表面去除去碳层。
3. 3.The process of decarburization is crucial for the production of high-quality steel products.
   去碳化过程对于生产高质量钢铁产品至关重要。