aniline equivalent

例句：

1. 1. The chemical analysis of the wastewater showed that it contained a high level of aniline equivalent.
   废水的化学分析显示，它含有高浓度的苯胺当量。
2. 2.The production process of this dye involves the use of aniline equivalent as a key intermediate.
   这种染料的生产过程涉及使用苯胺当作为关键中间体。
3. 3. The study found that the aniline equivalent levels in the soil were significantly higher than those in the surrounding areas.
   研究发现，土壤中的苯胺当量水平明显高于周边地区。