public sewerage

基本解释

Sewerage systems have also been affected, raising public health concerns.
排水系統亦受損，從而引發公共衛生問題。
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American cities borrow to finance the construction of large-scale public works like roads and sewerage systems.
美國的城市借錢來資助大型公共工程建設，比如道路和排水系統。
Local public services - Guidelines for service activities relating to drinking water supply and sewerage - Part 4: management of drinking water system.
地區公共服務。與飲用水供應和廢水有關的服務工作指南。第4部分：飲用水系統的琯理。

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