This paper expounds some sorts of water hammer in sprinkling irrigation system base theory and method for water hammer analysis and boundary condition of spray nozzle and complicate pipe network .

本文阐述了 喷灌系统 水锤的分类及其数值模拟的基本理论和方法，介绍了几种适用的水锤 防护技术。

Exploitation and experimentation of low pressure intermediate flow rate centrifugal water spray nozzle Development of New Spray Nozzle of sewage Pipe in Hangzhou sibao Sewage Treatment Plant

一种低压中速离心式 水雾喷头的开发和实验研究四堡污水处理厂排污 管喷口研究

It introduces the design of water spray extinguishing systems which installed in liquid warehouse and expound the importance of throttle pipe and its calculation in this paper .

本文介绍了设有高架液体介质仓库内的 水 喷雾灭火系统的设计原则，节点流量、 压力的计算，并阐述了设置节流 管的必要性及节流 管的计算。

The two stage water spray point is transferred from behind the rear panel to the front of the rear panel with the interconnecting pipe from the rear panel superheater outlet to the last stage superheater inlet assuming a direct connection mode instead of a intersecting one .

二级 喷水点由后屏后移到后屏前及后屏过热器出口至末级过热器入口间的连接 管取消交叉改为直接连接方式的设计。

Study on Technology of Injecting Water into Intake in Diesel Engine THEORETICAL ANALYSIS ON SPRAY COOLING IN COMPRESSOR INLET PIPE

柴油机进气 喷水技术探讨压气机进气 通道 喷水冷却的理论研究

Water saving techniques include spray irrigation micro irrigation channel leakage prevention low pressure pipe transport of water reform of field irrigation and so on .

节水技术包括： 喷灌、微灌、渠道防渗、低压 管道输水、田间灌水技术改进等。