1. The surface of the steel was chromized to improve its resistance to high temperatures.
钢材的表面经过铬化处理，以增强其耐高温性能。
2. Chromizing is a common technique used in the aerospace industry to enhance the durability of metal components.
铬化是航空航天行业常用的技术，用来提高金属部件的耐久性。