农村饮用水
Biological carbon filtration and slow sand filtration are used to study the rural potable water treatment.
采用生物活性炭滤-砂慢滤工艺对农村饮水处理进行了试验研究.
We should speed up the construction of facilities for water-saving irrigation and for supplying potable water for people and livestock, roads linking county seats and townships, facilities for rural energy supply, as well as educational, medical and health facilities in the countryside.
加快节水灌溉、人畜饮水、县乡公路、农村能源、农村教育和医疗卫生设施等建设。
纳米英语 · 双语娱乐资讯
纳米英语 · 英语词汇