secondary emission stage

例句：

1. 1. The research team has identified the secondary emission stage of the chemical reaction.
   研究团队已经确定了化学反应的次级排放阶段。
2. 2.During the manufacturing process, there is a secondary emission stage where waste gas is treated before it is released into the atmosphere.
   在制造过程中，有一个次级排放阶段，在此阶段，废气在释放到大气之前经过处理。
3. 3. The company has implemented measures to reduce emissions during the secondary emission stage of the production process.
   该公司已采取措施，以减少生产过程中次级排放阶段的排放。