secondary regulating pond

例句：

1. 1. The secondary regulationpond is designed to remove pollutants from the water before it reaches the main treatment plant.
   次级调节池的设计是为了在水流到主要处理厂之前去除污染物。
2. 2.The secondary regulation pond plays a crucial role in maintaining water quality and preventing pollution.
   次级调节池在保持水质和防止污染方面起着至关重要的作用。
3. 3. The secondary regulation pond is an essential component of wastewater treatment systems, helping to reduce the amount of harmful substances in the environment.
   次级调节池是废水处理系统的重要组成部分，有助于减少环境中有害物质的量。