Dvgw drinking water supply systems ; operation dvgw code of practice 饮用水的供水系统.第8部分:运行
Pn 10 piston type gate valves for use in drinking water supply systems 家用供水装系统的截流阀. pn10活塞式滑阀
Aircraft ground supply . connections for drinking water supplied under pressure 飞机地面供给.饮用水加压供给接头
Investigation of the residents drinking water supply and qality in meizhou city 梅州市居民生活饮用水供水与水质卫生状况调查
We will accelerate the development of safe drinking water supplies and provide safe drinking water for another 32 million people 加快安全饮水设施建设,今年再解决3200万人的安全饮水问题。
Local public services - guidelines for service activities relating to drinking water supply and sewerage - part 1 : user services 本地公共服务.饮用水供应和废水排放服务指南.第1部分:用户服务
A small but growing number of cities are beginning to use highly treated wastewater to supplement drinking water supplies 有一小部份正在成长中的城市也开市使用高废水处理,补足饮用水的供给。
Salt water is already entering the country ' s drinking water supply , as well as damaging plants that produce fruit and vegetable 海水已经侵入该国饮用水供水系统,同时也在侵害生产水果和蔬菜的种植园。
Cholera is usually spread through water or food , in places where conditions are dirty and drinking water supplies are unsafe 霍乱常常是在环境比较差的地方通过水或者食物传播,也可以通过饮用不干净的水。
Local public services - guidelines for drinking water supply and sewerage service activities - part 2 : management of a sewerage network 地区公共服务.饮用水供应和废水排放服务指南.第2部分:废水排放网络管理