但自1980年以来，在一系列帮助家庭和工业节水的新技术应用之后，人均用水量实际上有所下降。
But since 1980, the amount of water consumed per person has actually decreased, thanks to a range of new technologies that help to conserve water in homes and industry.
人们通常不太关注工业用水的使用量，但是你可能会惊讶地发现工业用水占到了发达国家的59%。
People usually don't pay much attention to how much water industry uses, but you may be surprised to know that industry uses 59% of the water in developed countries.
今天，河流控制的原因有很多，主要是为了维持可靠的水资源供应，以满足日常生活、农业和工业、发电、航行的用水需要，并起到防洪作用。
Today, rivers are controlled for many reasons, primarily to maintain reliable water supplies for daily, agricultural and industrial needs, for power generation, for navigation, and to prevent flooding.
进入奈卡洞穴探险需要除工业用水泵外更多的防护。
Exploring the Naica caves requires more than just industrial strength water pumps.
全球可用的水量中，农夫用掉四分之三，工业用不到五分之一，家庭和都市用水不到十分之一。
Farmers use about three-quarters of the world's water; industry USES less than a fifth and domestic or municipal use accounts for a mere tenth.
柳江是柳州市工业、商业和居民生活用水的主要水源。
Liuzhou's principal water source for industrial, commercial, and residential use is the Liujiang River.
IV地表水主要适用于工业用水及人体非直接接触的娱乐用水区。
IV-grade indicates the water is only suitable for industrial use and other amusement purposes that do not involve the liquid coming into contact with skin.
自1950年以来，全球的灌溉面积增加了一倍，而农业、生活和工业用水的数量却增加了两倍。
Since 1950, the area of the earth under irrigation has doubled and water withdrawal for agricultural, domestic and industrial purposes has tripled.
它们涉及的领域从环境保护、全球变暖到水服务的公平定价以及灌溉、工业和家庭用水的公平分配。
They range from protection of the environment and global warming to fair pricing of water services and equitable distribution of water for irrigation, industry and household use.
要改善用水效率是绝对可行的，且富裕国家的工业人士早就在做，为每一顿钢铁节省用水，以增加国民所得的每一个单位(见下图)。
Improving efficiency is doable and industrial users have done it, cutting the amount of water needed to make each tonne of steel and each extra unit of GDP in most rich countries (see first chart).
中国的水供应也是危机四伏，这是因为不断增长的工业和农业用水。
China's water supply, too, is in a parlous state, thanks to ever-increasing industrial and agricultural use.
建立部门制度已经被日本工业组织采用，而且还说它们的高的有效利用水平应该成为全球的标准。
The sector approach has been embraced by Japanese industry groups, which say their high levels of efficiency should become the global standards.
作为柳州市工业和居民生活用水主要水源的柳江则受到部分未经处理的污水和雨水排放污染。
The Liujiang River, which is the main source of drinking and industrial water use of the city, suffered from pollution from untreated sewage and rainwater flows.
一升水在工业上发挥的价值大约是农业的70倍，这也在一定程度上解释了为什么在大多数富裕国家里，工业用水账单占了水价收入的绝大头。
Industry generates about 70 times as much value from a litre of water as agriculture, which helps to explain why industry takes the lion's share in most rich countries.
所以，农民往往比其他使用者浪费更多的水，尽管他们利用水资源创造的价值高于家庭或工业愿意支付的价格。
So they are usually more wasteful than other consumers-even though the value they create from the water is often less than households or industry would be willing to pay for it.
毫无疑问，脱盐会增加可饮用水的量，可以增加有些工业过程所必需的高纯水的供给，甚至还能增加高等作物(尤其是为出口而种植的作物)灌溉水的供给。
It will undoubtedly add to the supply of drinking water, of the ultra-pure water required for some industrial processes, even of irrigation for high-value crops, especially if grown for export.
南非对莱索托做出同样的资助，莱索托为其用于工业的豪登省提供饮用水作为回报；
South Africa has done the same with Lesotho, in return for drinking water in its industrial province of Gauteng;
而在发达国家，85%的工业用水会被循环利用。
除可以满足一般的生活用水和工业用水外，还有很大的开发潜力。
Besides satisfied general water need of life and industry, and also great potential of exploitation.
（水资源很少被浪费。）使用过的水经过处理后通常若不是被安全地排放掉，就是（使用过的水经过安全处理后，通常会）重新应用于工业生产或空气调节，或者和水库中的水进行混合，成为饮用水。
Used water is treated and then either safely disposed of, reused for industrial purposes or air-conditioning, or mixed with reservoir water for drinking.
在生产过程中的工业用水，一个起飞的明确运行可以用来节省宝贵的饮用水或井水过滤。
During production of industrial water, filtration of a take-off of the clear run can be used to save valuable drinking or well water.
简要回顾了我国1980年—2002年的用水情况，对工业用水量与工业增加值的关系进行了分析。
Water use during 1980-2002 was reviewed briefly, and the relationship between industrial water use and industrial added value was analyzed.
一方面，工业生产需要很多的水，如，用水发电。
For one thing industrial production needs a lot of water such as using water to generate electricity.
除非生产工艺上不用水，只要用水，冷却就必须用冷却塔才能实现工业水的重复利用。
Unless no water in the production process, just it USES water, cooling tower must be used to cool the water to achieve industrial water reuse.
除非生产工艺上不用水，只要用水，冷却就必须用冷却塔才能实现工业水的重复利用。
Unless no water in the production process, just it USES water, cooling tower must be used to cool the water to achieve industrial water reuse.
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