污水流量 meaning in English

sewage rate

With restaurants , we have focused on promoting technology to reduce water use and , as a result , sewage flows
饮食业方面，我们的合作重点是提倡业界采用节约用水技术，从而减少污水流量。
So far , 24 kilometres of large tunnels under the central urban area and a sewage treatment works at stonecutters island , providing chemically enhanced primary treatment for up to 3 . 5 million cubic metres of flow per day , have been commissioned
到目前为止，市区中心地带已建成24公里长的大型污水隧道，而设于昂船洲的污水处理厂亦已启用。该污水处理厂采用化学辅助一级污水处理方法，平均每日处理的污水流量多达170万立方米。
The design capacity of the communal drainage system is intended for handling the surface runoff arising from rainstorms , the volume of which is much higher than the volume of wastewater being inappropriately discharged into the drainage system . even though some wastewater may find its way into the communal drains , the drainage system which is serving a large catchment area should be able to handle it without increasing the risk of flooding
公用排水系统的流量设计，是要把大雨所引致的地面径流收集并排走，其容量及排流量远远超过错误排入的污水流量，加上集水区的面积广阔，就算有污水错误排入，公用排水系统都足以应付，不会增加水浸的风险。