高考问答下波音怎么弹:帮忙翻译
来源：百度文库 编辑：高考问答 时间：2024/04/30 02:08:46
However, the assumption is frequently made that the water loss is balanced by infiltration (groundwater leakage into the sewage system through poor joints) or storm water, which enters the sanitary sewer system through illicit connections (roof downspouts and road catchbasins) or through manhole openings.
尽管如此，人们还是会频繁地做这样的假定：浪费的水会与渗漏的水（通过不太坚固的接合点渗入地下水道的水）或者暴风雨达到一种平衡的状态，渗漏的水、暴风雨通过不科学的渠道（天花板上的水落管和街道的排水道）或者下水道入口进入清洁用水系统。