ring halogenation

例句：

1. 1. The ring halogenation process involves the introduction of a halo group into a carbonatom.
   环卤化过程涉及将卤素基团引入碳原子。
2. 2. The ring halogenation technique is used to produce high-quality plastics.
   环卤化技术用于生产高质量的塑料。
3. 3. The ring halogenation method has been shown to be effective in reducing environmental pollution.
   环卤化方法已被证明能有效减少环境污染。