As a key control component in water hydraulic system, water hydraulic control valve is a vital part in study of water hydraulic technology.
水压控制阀是水压传动系统中的关键控制元件，是水压传动技术研究的重要内容。
In the research of water hydraulic technology, flow field simulation is done by the method of Fluid-Solid coupling, leading to the pressure nephogram and velocity vector of the pump model.
在水压技术理论研究方面，应用流固耦合理论对水压齿轮泵进行了二维流场的仿真分析，得出了其流场压力云图和速度矢量图。
Negatively pressurized irrigation (NPI) method, a newly irrigation technology, in which the elevation of the emitters is higher than that of the water source, runs under negative hydraulic head.
负压灌溉法是一种新近提出的节水灌溉技术，灌溉时供水水头为“负值”，即灌溉水源高程低于灌水器高程。
Water hydraulic transmission technology, which USES natural sea water or fresh water as working medium of hydraulic system to replace mineral oil, is a neotype transmission technology.
水压传动技术是直接用天然海水或淡水代替目前广泛使用的矿物油作为液压系统工作介质的一门新型传动技术。
The software for hydraulic calculation and analysis of operation regime of hot water heat-supply network is developed on the basis of GIS technology.
基于GIS技术，开发了热水供热管网运行工况水力计算分析软件。
This technology uses a high-speed multiphase helico axial pump end and hydraulic turbine driver powered by topside-located conventional water injection systems.
该技术使用高速多相螺旋轴流式泵端及液压涡轮传动装置，并由位于上部的常规注水系统驱动。
In this paper, based on analyzing the current situation of water conservancy and hydropower construction, some technology questions of the hydraulic construction are described.
本文基于水利工程目前状况进行分析，阐述水利水电施工技术的一些情况。
Standard hydraulic and pneumatic equipments; Water treatment and environment technology Heating installation; Engine monitoring and control; Equipment for chemical and petrochemical industry.
液压与气动控制系统；水处理与环境技术；加热与暖气系统； 过程控制；石油和化工。
Standard hydraulic and pneumatic equipments; Water treatment and environment technology Heating installation; Engine monitoring and control; Equipment for chemical and petrochemical industry.
液压与气动控制系统；水处理与环境技术；加热与暖气系统； 过程控制；石油和化工。
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