Meanwhile , deeply research has been done on the analytic root of current rush to interception air - mass with delivery system 本文同时还对输水管道压力水流冲击截留气团近似解析解进行了深入研究。
Suction piping for all pumps shall have at least five ( 5 ) times the nominal pump suction flange diameter of straight pipe upstream of the suction nozzle 所有水泵的吸水管道直径至少应有5倍于吸入口的上升直水管段的额定边缘直径。
The working principle and structure of the system applied to the practice of yellow river diversion project are introduced herein 文中应用小波分析理论，介绍了输水管道泄漏自动监控系统的工作原理和构成，并将之运用到引黄工程实践中。
Plastics piping systems for the transport of water intended for human consumption - migration assessment - guidance on the interpretation of laboratory derived migration values ; german version env 852 : 2001 生活用水塑料输水管道系统.移位评定.实验室取得的移
When the pump machines pass the short distance pipeline , the water in trail pipeline goes to exoteric dyke . the variety of pressure is little and sometimes forms non - pressure status 源水在通过水泵机组出口压送后，仅经过短距离输水管道后，在管道尾部水敞开奔向开放式明渠。
Construction and operation of a pilot demonstration advanced treatment plant of capacity about 150m3 / day and temporary reclaimed water pipeline connecting the pilot plant to the selected users 建造及营办试行的高级示范处理厂(约每日150立方米) ,及接驳处理厂与选定用者处所临时再生水管道。
Please contact mr p . k . fung of the construction division of water supplies department ( tel . 2152 5732 ) for further details of the existing and proposed salt water main system at the area 关于该区现有及拟议咸水管道系统的进一步资料，请与水务署建设部冯炳权先生联络(电话： 21525732 ) 。
The main aim was to provide newly developed districts with an alternative source of water supply . the construction of a seawater flushing sysytem on the island and in the new territories was much slower 至于港岛区的海水输水管道的铺设及改建，以至新界地区海水冲厕的开发，发展得较迟缓。
Gas thermal insulation coefficient under different transient flow in pressure pipeline system has been studied through physical experiments and theoretical analysis on thermodynamics 本论文通过物理试验与热力学理论分析对不同瞬变过程中有压输水管道内气体的多方指数n的变化规律进行了研究。
