1.They're funds whose first responsibility is to their shareholders, it's not to providing water and sewerage services.

它们是对股东负有责任的基金，而不是提供供水和污水处理服务。机翻

2.He even had a small model of a landfill and explained the importance of proper sewerage systems.

他甚至制作一个小型垃圾填埋场模型， 并解释适当的污水处理系统的重性。机翻

3.Gaza has a chronic water shortage leaving tap water undrinkable and forcing the Palestinians to pump huge amounts of untreated sewerage into the sea.

加沙长期缺水，导致自来水不能饮用，迫使巴勒斯坦人中倾倒量的未处理垃圾。

4.This 200 foot tall water tower held 500,000 gallons of potable water in a tank at the top, while a 40 foot sub-basement held the 300,000 gallon sewerage system.

这个 200 英尺高的水塔顶部的水箱可容纳 50 万加仑的饮用水，而 40 英尺深的地下室则容纳 30 万加仑的污水系统。