public sewerage

基本解释

Sewerage systems have also been affected, raising public health concerns.
排水系统亦受损，从而引发公共卫生问题。
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American cities borrow to finance the construction of large-scale public works like roads and sewerage systems.
美国的城市借钱来资助大型公共工程建设，比如道路和排水系统。
Local public services - Guidelines for service activities relating to drinking water supply and sewerage - Part 4: management of drinking water system.
地区公共服务。与饮用水供应和废水有关的服务工作指南。第4部分：饮用水系统的管理。

Gurgaon, a business district near Delhi, has plenty of glass towers but falls short on sewerage and power supplies and is only slowly acquiring public transport.
ECONOMIST: Cities
In both countries water and sewerage systems need to be vastly expanded, and governments in both countries are also coming under intense public pressure to curb what are often appalling levels of local pollution from factories and power plants.
ECONOMIST: The greening of General Electric