contact aeration process

例句：

1. 1. The contact aeration process is crucial for maintaining the health of marine ecosystems.
   接触曝气过程对于维护海洋生态系统的健康至关重要。
2. 2. During the contact aeration process, oxygen is added to the water to promote the growth of microorganisms.
   在接触曝气过程中，向水中添加氧气以促进微生物的生长。
3. 3.The contact aeration process is used in wastewater treatment plants to remove harmful substances from the water.
   接触曝气过程被用于废水处理厂中，以从水中去除有害物质。