In spite of the International Water Supply Decade, (1980-1990) there are more people without facilities approaching minimum standards now than existed at the beginning of the program.
尽管有国际供水十年(1980- 1990)计画，计画实行后比实行前有更多的人没有设备可得到最基本的饮水标准。
This article introduces the frequency speed constant pressure water supply system controlled by PLC, presenting its hardware structure, the design of PLC program and its application.
介绍了用PLC控制的变频调速恒压供水系统的基本原理，给出了系统的电气线路和PLC程序设计，并在实际中得到了应用。
The system supplied the calculating program of water supply, drainage, fire fighting, hot water system, and can choose the type of water tank, septic tank and hydrant.
本系统为设计人员提供了给水、排水、消防、热水等系统的水力计算，并能进行水箱、化粪池、消火栓的选型。
This paper introduces the application of PLC in water supply control system, explains the design of the electric principle diagram and the system program design.
本文介绍PLC在供水控制系统中的应用，阐述了根据控制电路组成及操作工艺要求，进行的电气原理图设计和系统程序设计。
The DOE wind program has been exploring the potential for wind power to meet growing challenges for water supply and treatment. The program is currently characterizing the u.
美国能源部风能计划一直在探索风能的潜力，探寻着风力发电是否能满足日益增长的经济对水资源以及供水处理的要求，这也是一个巨大的挑战。
The operation principle and the design method of constant pressure water supply is described. The program block diagram of constant pressure water supply is a1so given.
着重说明了该系统的操作原理和恒压供水的设计方法，并给出了自动调压的程序框图。
Based on the above mentioned works, using "King View" developed a computer automatic monitoring program, and achieves the automatic monitoring of the Laboratory's cold water supply system.
在上述工作的基础上，论文应用组态软件“组态王”开发了计算机自动监控程序，实现了实验室冷水供水系统的自动监控。
Based on the above mentioned works, using "King View" developed a computer automatic monitoring program, and achieves the automatic monitoring of the Laboratory's cold water supply system.
在上述工作的基础上，论文应用组态软件“组态王”开发了计算机自动监控程序，实现了实验室冷水供水系统的自动监控。
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