potable water supply system
常見(jiàn)例句
- In general, only one third of health facilities have potable water, and just one in four remain linked to the general sewerage system or to a power supply.
一般而言,近三分之一的衛(wèi)生設(shè)施有適合飲用的水,并且僅僅四分之一仍然與一般排水系統(tǒng)或電源連接。 返回 potable water supply system