未: did not; have not有: 5年 fifteen years污水: sewage; slops; effluent; dra ...设施: installation; facilities的: 4次方是 The fourth power of 2 i ...乡村: village; countryside; rural ...未有污水设施的乡村；未铺设污水管的乡村: unsewered village未有污水设施的发展区: unsewered development未有污水设施的地区；未铺设污水管的地区: unsewered area未有污水设施地区: unsewered areas已有污水设施的地区: sewered area无排水设施的: undrained无排水设施的路槽: undrained trench未铺设污水管的乡村: unsewered village设施的: dce/dte边远的乡村: boo-ay法国的乡村: the french countryside辽远的乡村: a remote village贫穷的乡村: poor countryside夏日的乡村: the countryside in summer在偏远的乡村: in the depth of the country ie a long way from a town设施的宣布: declaration of facilities储水设施: water storage facility防水设施: impervious element给水设施: water supply facility
