In countries without adequate sewagedisposal systems, faeces and articles soiled with faeces may need to be disinfected before disposal.
在没有足够的污水处理系统的国家，可能需要在处置前对粪便和污有粪便的物品进行消毒。
2
Instead it dawns on a familiar, workaday place, still in need of groceries and sewagedisposal.
相反，它照在了一个熟悉的平庸的地方，这个地方仍旧需要食品杂货和污水排放。
3
Constructed wetland technology that combines together of sewagedisposal and ecological environment restoration, have extensive application prospects in water pollution control.