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- Economical pipe diameter Calculations for pipeline irrigation systems 管道灌溉系统经济管径的计算
- Graphical Method of Economical Pipe Diameter and its Application for Branch Pipe of Sprinkler Irrigation System 微喷灌工程中支管经济管径图解法计算及应用
- economical pipe diameter 经济管径
- You can choose Pipe diameter and Form as below. 您可以选择探头直径和外型如下图所示.
- Determining Economic Pipe Diameter of Irrigation and Drainage Pumping Station With Kinetic Energy Economy Method 用动能经济方法确定排灌泵站的经济管径
- Keywords Liquified natural gas （LNG）;Pipeline transportation;Economic pipe diameter;Economic flow speed;Thermal insulating layer;Start up and stop transportation; 液化天然气（LNG）;管道输送;经济管径;经济流速;保温层;预冷与停输;
- The obvious way to determine valve size is to match the pipe diameter. 决定阀门通径常用的方法是使其与管道直径相配。
- economic pipe diameter 经济管径
- According to field experiments, slug flow parameters depend on pipe diameter, velocity and viscosity of gas or liquid phase and so on. 现场实践表明,段塞长度不仅与管径有关,而且还与气液相速度和气液相粘度等有关。
- The conditionality between the flow rate and the pipe diameter is discussed when the friction factor is fixed. 文中还分析了在摩擦阻力系数一定的情况下，流量与管径的制约关系。
- When the pipe diameter ratio varies a little，the local resistance loss of sudden contraction changes insignificantly. 存在一个最佳弯径比，使得水平弯管的局部阻力损失最小。
- Brush or dauber type cement and primer applicators - select a size no less than 1/2 the pipe diameter (see chart below). 刷子或涂抹类型粘固剂和底漆的涂敷工具-选择尺寸不小于管道半径的工具（请参阅下表）。
- The author describes the function, type and components of this system, as well as the calculations of pipe diameter of the system. 本文重点介绍了透气系统的功能、型式和组成,并详细阐述了系统中管路管径的计算顺序和方法;
- In addition, because of the large pipe diameter, more bore expanding levels are needed, and it interferes with stratum by impact. 加之穿越管径大，扩孔级数较多，对地层的冲击扰动较大，增加了塌孔的可能性，施工难度很大。
- Free falling heavy rammer was used in former piling constructions, but the piling depth and pile pipe diameter were comparatively small. 在以往的施工中采用重锤下落打桩，打桩的深度和桩管的直径都比较小。
- The function of waste water management module is to mange every information of the pipe net and export kinds of special maps(according to water target, flux and pipe diameter). 污水管理模块主要是用来管理污水管网的的各种信息和各种专题图的输出(按水质各指标、按流量、管径等)；
- Valves should be installed at least 5 pipe diameters away from any fitting. 阀门应该安装在距离任何管件至少5倍管道直径远的地方。
- This paper analyzes the causations of economizer pipe damage,puts forward relevant prevention measures according to different phenomenon. 本文分析了省煤器管损坏的原因,并针对其不同性质现象,提出了具体的预防措施。
- I have to buy a more economical stove. 我得买一个更节省燃料的火炉。
- Using a brush or applicator size no less than 1/2 the pipe diameter, apply a liberal coat of solvent cement to the primed pipe surface, then apply a light to medium coat to the primed fitting socket. 采用一把尺寸不小于管道半径的刷子或涂敷工具，将足够量的液状粘固剂涂敷在上完底漆的管道表面，然后在上完底漆的管件承插部位涂敷较薄或中等厚度的液状粘固剂涂层。
