dealuminzation

例句：

1. 1. The steel was treated with a special alloy to improve its strength.
   这种钢经过特殊合金处理，以增强其强度。
2. 2. The process of dealuminization is crucial for the production of stainless steel.
   脱铁过程对于生产不锈钢至关重要。
3. 3. The dealuminization process involves removing iron from the ore before it is processed into metal.
   脱铁工艺涉及在将矿石加工成金属之前从矿石中去除铁。