厕所废水从1894年开始排入这个下水道系统，但这股旅游热潮还是持续了80年。
Toilet waste came in 1894, but the rides continued for 80 years.
在玻璃外墙装饰的摩天大楼里种植粮食作物将大大减少化石燃料的排放，循环利用城市废水，而不是像现在那样直接排入下水道。
Growing food in glass high-rises could drastically reduce fossil-fuel emissions and recycle city wastewater that now pollutes waterways.
城市废水管网系统中臭气的最常见的发生源主要有下水道总管道和泵站。
The most common emergence of odour comes from the Urban sewage system, mainly in the total pipelines and equipment for treatment.
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