chromic acid anodizing

例句：

1. 1. The process of chromic acidanodizing is crucial for the corrosion resistance of the steel surface.
   铬酸阳极氧化过程对钢铁表面耐腐蚀性至关重要。
2. 2. In order to improve the wearresistance of the coating, chromicacid anodizing is widely used inindustrial applications.
   为了提高涂层的耐磨性，铬酸阳极氧化在工业应用中被广泛使用。
3. 3. During chromic acidanodizing, the steel substrate undergoes a chemical etching process that enhances its hardness and wear resistance.
   在铬酸阳极氧化过程中，钢基体经历化学蚀刻过程，从而提高其硬度和耐磨性。