ring fluorination

例句：

1. 1. Ring fluorination isa process used to treat metals andalloys.
   环氟化是一种用于处理金属和合金的过程。
2. 2. Thering fluorination processhas been shown to improve thestrength of steel.
   环氟化工艺已被证明可以提高钢的强度。
3. 3. Ring fluorination is an environmentally friendly alternativeto traditional refining methods.
   环氟化是传统精炼方法的一种环保替代方案。