Why, for instance, do water users in a megacity like Lagos not pay an extra charge to get cesspits pumped out?
例如，为何不让像拉各斯这样大城市的用水者交纳些额外费用以资助抽粪出坑呢？
It delivers diverse water services matched to the users 'needs and works with water users at local and community scales.
它可以提供匹配用户所需的不同水资源服务，并以当地或社区范围内的用户为服务对象。
For example: City high-rise buildings, residential quarters of the water from the surface or under the pool water users.
例如：城市高层建筑、住宅小区的用水从地表下或水池取水的用户。
In Costa Rica and Mexico, these markets let water users compensate upstream forest owners for reducing sediments in rivers.
在哥斯达黎加和墨西哥，环境市场让用水户补偿上游林地所有者，以减少河流中的泥沙淤积。
Water supply and drainage system: the water supply and drainage piping from the joint at 1m from the workshop outside wall to water users.
供、排水系统：从车间外墙外1米处的接点至用水设备的供水、排水管道。
3-step cumulative mark-on was adopted for the tap water price and sewage water price, and the standards were different owing to different water users.
其中城市自来水价和污水处理收费实行3级阶梯式累进加价，针对不同用户制定不同水费标准，并对低收入群体实行减免政策。
Staff has recommended the temporary closure of the pool on the water users valve so when the next meter reading pay attention to pooled water situation.
工作人员已建议用户暂时关闭水池上水管阀门，等下期抄表时，留意公摊水量情况。
The efficiency implies that the responses of water users for the equilibrium price systems in the market mechanism can implement the whole of optimal utility of the concentrated c.
这种有效性表现为在平衡价格系统下，市场分配机制实现了集中分配机制的最大整体效益。
The efficiency implies that the responses of water users for the equilibrium price systems in the market mechanism can implement the whole of optimal utility of the concentrated control mechanism.
这种有效性表现为在平衡价格系统下，市场分配机制实现了集中分配机制的最大整体效益。
Users can also pay their bills through Alipay, such as their water and electricity bills.
用户还可以通过支付宝支付水电费等账单。
Traditional water right trading between different users may bring third-party effects as reducing the instream flow of the intermediate stream and downstream.
不同用户之间的传统水权交易可能会带来第三方影响，因为这会减少中间流和下游的入流。
Different categories of water need different prices to reflect the different preferences of users.
不同形态的水需要不同的价格来反映不同使用者的需求。
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).
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)。
The site also has world maps that show the levels of availability of safe drinking water from country to country. Users can compare information from 1970 and 2002.
网站还提供显示各国安全饮用水级别的世界地图，决策者可对比查阅1970年至2002年有关安全饮用水的信息。
Unless some breakthrough occurs in getting the salt out of sea water, the best hope of a happy marriage between supply and demand comes from much greater restraint among water-users.
除非从海水中提炼盐有突破性进展发生，对供求间愉快联姻的最好期盼是来自用水者的更大的节制。
There is an easy to ignore but must be reminded that the back surface of the water, which is mainly aimed at the building near the external walls of the unit users.
还有一个大家容易忽视但又须分外提示的是背水面(屋顶)防水，这重要是针对靠近建筑外墙的单元的用户。
Even users of bottled water and home filtration systems don't necessarily avoid exposure.
即便瓶装水和家庭过滤系统的用户也不一定能避免。
Your hair is long, hot roll, not miles of water that users let a hair to harden.
把头发留长，不烫卷，不使用者哩水等让头发变硬的东东。
Water is carried to homes and other users along pipelines. What is the total length of the pipelines that serve the country?
水通过管道输送到家庭和其他用户。全国输水管道总长度是多少？
Water heaters are sized to meet the needs of users.
热水器是依照用户需求的尺寸制造的。
The safety water supply distribution system means that the finished water can meet the users' need from the water quality, water quantity and water pressure at the same time.
管网安全供水是指在出厂水质合格并具有足够水量和压力的前提下以尽可能低的造价，同时满足用户在水质、水量及水压三方面的要求。
Pressure trial medium is water, air and kerosene, arbitrary option by users.
试压介质为水、气、煤油，由用户任意选择。
Users can open the Windows and touch the water under their elbows, just like in a boat.
用户可以打开窗户，触摸在他们手肘下的水，就像在一条船上。
Occurs in the Water Leakage traditional smallpox on accident, often causing users very embarrassed, but failed to immediately stop Water Leakage, so that the indoor property destroyed;
一般发生于传统天花上之漏水意外，往往都导致用户非常狼狈，而又因未能即时阻止漏水，以致室内财物尽毁；
Often have sanitation sprinkles users friends call seek advice, why sanitation sprinkles used in a period of time, water will be reduced.
经常有环卫洒水车用户朋友们打电话咨询，为什么环卫洒水车在使用过一段时间后，水量就会减小。
Often have sanitation sprinkles users friends call seek advice, why sanitation sprinkles used in a period of time, water will be reduced.
经常有环卫洒水车用户朋友们打电话咨询，为什么环卫洒水车在使用过一段时间后，水量就会减小。
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