sewer capacity

例句：

1. 1. The sewer system needs to be upgraded to accommodate the increased demand for wastewater treatment.
   需要升级下水道系统以适应对污水处理需求的增加。
2. 2.The construction of a new sewer line will significantly improve the capacity of the existing system.
   新建一条新的下水道管线将显著提高现有系统的处理能力。
3. 3. The sewer capacity is calculated based on the volume of wastewater generated and the efficiency of the treatment process.
   下水道容量是根据产生的废水体积和处理过程的效率来计算的。