查询词典 water supply pipe

It is composed of ZSFZ wet alarm valve, water-power alarm bell, delayer, pressure switcher, water supply pipe, water sprayer, etc.

系统由ZSFZ湿式报警阀、水力警铃、延迟器、压力开关、水流指示器、供水管网、闭式洒水喷头、报警控制装置和信号碟阀等部件组成。

The optimization of water supply pipe networks is such a complicated work that includes creating networks model, calculating node demand, distributing initial flow, deciding initial imaginary flow, optimizing design, drawing pipe networks and isopiestic line .

给水管网优化系统是一个比较复杂的系统，包括建立管网的物理模型、计算节点流量、分配初始流量、确定初始虚流量、优化计算、绘制管网图及等压线图。

Maffei Corporation PVC-U drainage pipes to the production line, the German company Barton Rumsfeld plastic production line and the Hong Kong Chen Hsong injection molding machine and other advanced production equipment, use of hi-tech means of production "Jinde" brand aluminum PAP composite pipe, PPR aluminum-plastic tube, PE-X cross-linked polyethylene pipe, PE-RT polyethylene pipe temperature, PPR plastic pipes, PE gas pipe, PE water pipe, PE mining pipe, HDPE large caliber double-wall corrugated pipe, HDPE Large Diameter Winding Pipe, PVC-U new composite pipes, PVC-U to the water pipes, cable sheathing, etc., and be compatible with the brass pieces, PPR pipe fittings, PE-RT pipe, PE water supply pipe pieces, PE gas pipe pieces, PE mining pipe pieces, PVC pipe fittings and the corresponding installation tools.

玛菲公司PVC-U给排水管生产线、德国巴顿菲尔德公司全塑生产线及香港震雄注塑机等先进生产设备，采用高科技手段生产"金德"牌PAP铝塑复合管，PPR铝塑管、PE-X交联聚乙烯管、PE—RT耐高温聚乙烯管、PPR全塑管、PE燃气管、PE给水管、PE矿用管、HDPE大口径双壁波纹管、HDPE大口径缠绕管、PVC—U新型复合排水管、PVC—U给水管、电缆护套管等和与之配套的铜管件、PPR管件、PE—RT管件、PE给水管管件、PE燃气管管件、PE矿用管管件、PVC管件及相应的安装工具等。

This paper introduces the causes of noise generation and propagation of indoor water supply and sewerage system , probes into the corresponding solution of controlling indoor noise, mainly discusses water pump house oscillation reducing and noise isolating, selection of drain pipe material and control of velocity and pressure of water supply pipe.

介绍了建筑室内给水排水系统噪声产生与传播的原因，探讨了控制建筑室内噪声的相应对策，重点论述了给水泵房的设置、水泵机组的减振隔声、排水管材的选择、给水管道流速和压力的控制等内容。

The selection of water supply pipe material, laying of pipeline, water gauge leading-out arrangement and noise rontrol in dwelling house design are discussed in this paper.

就住宅给排水设计中给水管材的选用、管道的敷设、水表出户设置及噪声的防治等问题进行探讨，并提出一些具体看法。

The model and the program have been tested in practice ofdynamic prediction to seismic disaster of water supply pipe network incertain city.

计算结果与震害基本吻合，验证了本文建立的基于 GIS 的供水管网动态震害预测模型和编制的通用程序。

The seismic disasters features and behavior mechanisms of the buriedwater supply pipeline are analyzed by synthesis and the breakage of thepipe joints caused by seismic wave propagation as main disasters mode isled into. The soil-pipe interaction, and the soil-pipe slippage arediscussed. Statistical experience method resulted from earthquakeinvestigations and theoretical methods based on reliability theory areintroduced. The reliability of buried pipeline is researched. The methodfor estimate connective reliability of network by means of Monte Carlesimulation technique and Breadth First Search method is introduced. Theconnective reliability of water supply pipe network is researched.

本文综合分析了地下供水管道的地震破坏特征和反应机理，引入了以接头破坏作为主要的破坏模式，并探讨了管土间的相互作用和滑移作用等问题；介绍了根据震害调查数据回归的统计经验法和基于可靠性理论的理论分析法，对地下管道的可靠性进行了研究；介绍了利用蒙特卡罗法和网络图论中的广度优先搜索法判定网络连通可靠度的方法，对供水管网的连通可靠性进行了研究；考虑到震害预测方法中的许多参数是随时间变化的，应用灰色理论和概率论，建立了基于GIS 的供水管网动态震害预测模型。

Since the establishment of the company, has successfully developed a Φ630 UPVC water supply pipe production line and expanding die,Φ2200-Chan Raoguan in the production line,Φ630 PE Gas production lines and a series of large-scale precision extrusion equipment.

公司自成立以来，已成功地开发了Φ630UPVC给水管材生产线及扩口模具，Φ2200在型缠绕管生产线，Φ630PE燃气管生产线等一系列国内大型精密挤塑设备。

Replacing the metal water-supply pipe with the plastic water-supply pipe is the requirement of the development of the times.

塑料给水管取代金属给水管是时代发展的需求。

Thesis started from the application status and features of Water-supply Pipe-network Management Information System, analyzed the requirement of water-supply industry and the importance of topological relations.

论文从供水管网管理系统的应用现状和特点出发，详细分析了供水企业用户的需求，讨论拓扑关系的重要性。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。