供水系统

The Bangkok metropolitan water system is one of the largest in the world.

曼谷首都供水系统是世界上最大的系统之一。

Water supply system is a complicatedly dynamic nonlinear system, it is difficult to simulate by using one or several explicit functions in pipe networks.

由于供水系统是非常复杂的动态非线性系统，在实际管网的运行中，很难以一个或几个统一的显式函数关系描述管网的工况。

MCGS and constant pressure water supply system of integration automation experimental facility

介绍了以变频器构成的新型恒压供水系统，详细说明了系统原理、结构以及具体器件的选择。

Two independent sub-systems are irrespectively built with water place sensor and pressure sensor.

为了解决以上这些问题，本系统采用控制技术和变频调速技术相结合的方法来研究恒压供水系统，该系统与现场液位传感器、压力传感器一起组成了两个独立的闭环控制子系统。

In view of the deficiency of traditional control methods and the distribution trait of riverhead and consumer, this paper presents a structure system controlled by network of water supply and sets up mathematic model.

根据我国供水现状和传统控制方法的缺陷以及水源与用户分布特点，提出了无线供水系统网络控制结构体系并建立了网络控制数学模型。

And sanitary or environmental engineering, which involves the study of water supply, purification , and sewer systems.

以及环境卫生或环保工程——研究供水系统、水净化系统与排污系统等。

From data real time requirement, system flexibility, system reliability, maintainability, and information construction in water supply system, it essentialized the specialty of the modern intelligent RTU.

从供水系统的数据实时性、系统柔韧性、系统可靠性、可维护性以及系统信息化建设等五个方面的要求出发，扼要说明了新一代智能RTU的主要特点。

Main product of automation control: various of industrial automation control equipments; PLC Cupboard; frequency conversion cabinet; constant Voltage water supply system; computer machine room and electromagnetic room environment intelligent control system; temperature and humidity controller; XK serious signal controller; elevator group supervisory control system; intelligent lighting contro system; hydroelectric power station gate control system; The implementation automation controlling tasks with the Single Chip Microcomputer development and Line Communication is hardware and software system adjustment and testing designated unit of domestic waste heat generating project.

自动化控制分部主要产品有：各种工业自动化控制设备；PLC柜；变频启动控制柜；恒压供水系统；机房和变电室环境智能化控制系统；温湿度控制仪；XK系列信号控制仪；电梯群控系统；智能化照明控制系统；水电站闸门控制系统；利用工业单片机的开发和载波通讯技术实现各种自动化控制任务。是国内余热发电项目软硬件定点系统调试单位。

Combined with the practical work of fire extinguishing system of north freight yard in Yuci the constant pressure firefighting water supply system is introduced from electric control, converter, PID governor, pressure sensor and other aspects.

结合榆次北货场消防系统的修建安装，介绍了由电气控制柜、变频器、PID调节器、压力传感器及水泵电机等组成的恒压消防供水系统，指出该系统对火情具有反应速度快、适应性强、保护面广等优点。

In Tegucigalpa, Guatemala City, and Lima, more than 30 per cent of supply is provided by small-scale water providers.42 Most of those consumers are not connected to the main distribution networks.

这些消费者大都没有和主要供水系统相连接。在提供服务方面，小型供水公司的市场普遍具有很强的竞争性。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。