service water

River basin supplies us many kinds of important environment service for our lives and development, such as purified water, marine product, hydroelectric power, water treatment, inland water transport, culture, recreation, conservation of water resources, bio-diversity conservation and so on.

流域为我们的生活和发展提供了多种重要环境服务功能：洁净水、水产品、水电、水调节、内陆航运、文化、休闲娱乐、水源涵养、生物多样性保护等。

The Los Angeles Department of Water and Power, owed nearly$ 9000, was threatening to disconnect service.

杰克逊曾欠下洛杉矶水电局（Los Angeles Department of Water and Power）近9000美元的费用，后者威胁要切断那栋房子的供水和供电。

There was no any experience with operation of 700 MW water turbine generators until Three Gorges Hydropower Station put into service. The focal points discussed in this paper are how to keep units stable and economic operation and generate more electric energy by scientific model formation and analysis.

三峡电站投产之前在我国没有700MW大型水轮发电机组的运行经验，因此如何通过科学的建模、分析，使三峡电站机组稳定经济运行，多发优质电能是我们分析的重点。

The water cock, the water chamber pot like have the waterleakage phenomenon, prompt service.

水龙头 、 水管、马桶如有漏水现象, 及时维修.

The production water will be provided by XXX for service water and low-pressure firewater.

将由XXX提供生产用水,作为生产用水和低压消防水.

The research of the press of supply and return water and the quality of heating in heating network Internet service provider

热网供回水压力及供热质量的分析研究互联网服务提供商，因特网服务提供者，[港]互联网服务供货商

Adding chemicals to industrial boilers to prevent them from corrosion and scaling is the main way of boiler water treatment. The quality of water treatment in the boiler affects directly on its running safety and service life.

工业锅炉通过锅内加药处理来防腐防垢是一种主要的水处理方式，锅内水处理质量的好坏直接影响其安全运行和使用寿命。

YQS series products have advanced technology, long service life and easy maintenance, are presently the most ideal water lifting equipment for deep well.

本系列产品寿命长，易于维护，是目前最理想的深井提水设备。

Ecosystem Service Value Estimation of Chizhou Urban Drinking Water Source Area Based on Contingent Valuation Method

基于CVM的池州城市饮用水源地生态系统服务价值评估

The research indicates that the failure of converter gas hood is mainly caused by the heat stress of converter and the corrosion of water in tubes, and the high-temperature operation also shorten the service life of water-wall tubes.

研究结果表明：转炉烟罩的失效主要是由烟罩的热应力和工质水的腐蚀所引起，烟罩冷却水管的超温工作大大缩短了它的使用寿命；