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hydraulic     Study on the hydraulic properties of square nozzles with impact sprinkler     摇臂式喷头方形喷嘴水力性能的研究 短句来源     An Analysis of the Hydraulic and Mechanic Characteristic Tests of Plastic Hose     塑料软管水力和力学性能试验分析 短句来源     Discussion on the Formula for Hydraulic Calculation of Pressure Regulator Pipe     关于调压管水力计算公式的探讨 短句来源     The Hydraulic Calculation for Low-pressured Circular Pipe Network     低压管道环状管网水力计算 短句来源     Finite Element Method for Tree-shape Network Hydraulic Calculation of Drip Irrigation     滴灌树状管网水力计算的有限元法 短句来源 更多          the hydraulic     Study on the hydraulic properties of square nozzles with impact sprinkler     摇臂式喷头方形喷嘴水力性能的研究 短句来源     An Analysis of the Hydraulic and Mechanic Characteristic Tests of Plastic Hose     塑料软管水力和力学性能试验分析 短句来源     The Hydraulic Calculation for Low-pressured Circular Pipe Network     低压管道环状管网水力计算 短句来源     Study on the Hydraulic and Anti-clogging Performance of Emitters     滴头水力性能与抗堵塞性能试验研究 短句来源     Study on the Hydraulic of Pipe Networks in Subsurface Drip Irrigation     地下滴灌管网水力特性研究 短句来源 更多          waterpower     Analysis on stability of ditch waterpower auto-control system     渠道水力自动控制系统稳定性的分析 短句来源     The Numerical Simulation Calculation to the Influence of the Water Power Losing of the Regulator to the Impact-drive Sprinkler Head     稳流器对摇臂式喷头水力损失影响的数值模拟计算 短句来源     Program Design of the Micro-irrigation Waterpower Analytical Based on MATLAB and the Practical Engineering     基于MATLAB的微灌系统水力计算程序设计及工程应用 短句来源     Surge flow irrigation technology and its the water power automatic equipment     波涌灌溉技术及其水力自动设备 短句来源     TECHNIQUE OF SURGE FLOW IRRIGATION AND ITS WATER POWER AUTOMATIC EQUIPMENT     涌流灌溉技术及水力自动装置 短句来源 更多          hydraulic power     A Study on Hydraulic Power and Assemble of the Sprinkler Head ZY-2     ZY-2型喷头水力性能及喷头组合试验 短句来源     The development,basic form,irrigated techniques,water-saved mechanism,product increasing benefit,economical benefit,soil moisture infiltration,hydraulic power character,water flow equation,irrigation equal rate,irrigation efficiency of film hole irrigation which origined in Xinjiang are discussed in this paper. Meanswhlie the developing prospect of film hole irrigation and problems which exist in nowadays working are analysed.     该文就起源于我国新疆的节水灌溉—膜上灌的发展概况、基本形式、灌水技术、节水机理、增产效应、经济效益、水分入渗规律、水力特性、水流运动方程、灌水均匀度、灌溉效率做了系统的论述，并对膜上灌的发展前景和存在的问题做了分析。 短句来源     查询“水力”译词为其他词的双语例句 a hydraulic hydraulics   查询“水力”译词为用户自定义的双语例句     我想查看译文中含有：的双语例句

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The applying of plastic hose for irrigation has been rapidly developed in the northern areas of our country during recent years. There has been a lot of problems raised both theoretically and practically, owing to the haste of time occurred. The necessary data, such as the physical mechanic properties, the hydraulic characteristics, the permissible Working pressure, and the suitable sizes of the hose, etc., are still absent. This paper, through tests, provides the results of an analysis on the four features...             塑料软管灌溉近年来在我国北方地区应用发展很快,但由于时间较短,从理论到实践都存在一些问题。有些方面如物理力学性状、水力性能指标、允许工作压力、以及管材的适宜规格等方面也缺乏资料。根据试验,本文从塑料软管耐水压力及其影响因素、塑料软管的应力分析、塑料软管的弹性变性与允许工作压力和软管水力参数和管材选配四个方面提出了分析研究结果,供各地在推广塑料软管灌溉技术时参考选用。 文摘来源          Screen filter is one of the most important equipment in micro irrigation system. However few data about its proper design are available at home. This paper describes how to determine its designing parameters correctly in accordacce with the requirements of micro-irrigation for water quality, and the practical experience at home and abroad. Moreover, this paper presents a desiging method of determing the size and hydraulic theory.             本文按微灌对水质的要求,并根据国内外的实践经验,提出了如何正确地确定过滤器设计的有关参数。另外按水力学原理提出了确定滤网过滤器的大小和水力性能的设计计算方法。 文摘来源          Aocording to the priciple of minimizing the sum of production cost and energy expendition this paper analyses the hydraulic slope of main lines and laterals of mini-irrigation systems by the parabola method. The result of analyses indicates that the main factors influencing economic slope are flow rate, energy cost, service life of the system, yearly running time, cost coefficent and machinery benefit. Finally, illustrations are given to show the use of the formula.             本文按照生产费用和耗能之和最小的原则,利用抛物线函数关系,对微灌系统干、支管的水力坡降进行了分析。分析结果表明:影响经济坡降的主要因素有流量、电价、系统的使用寿命、年运行时间、价格系数、以及机械效益等。最后并举例说明了该公式的应用。 文摘来源   << 更多相关文摘

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水力— —水力 —水力— 水力条件 水力压裂 水力模型 水力计算 水力机械 水力特性 水力性能 水力特征 水力停留时间

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