sew·er·age
noun/ˈsuːərɪdʒ/
/ˈsuːərɪdʒ/
[uncountable]- the system by which sewage is carried away from houses, factories, etc. and is cleaned and made safe by adding chemicals to it
排水系统；污水处理 - an increase in water and sewerage charges
水费和排污费增加 - a sewerage system
污水处理系统
- an increase in water and sewerage charges