The full pipe diameter of the pump entrance.
由于该泵进口管径合理，故其必须吸入压力较低。
Pay attention: the pipe diameter is bigger, the pressure is lower.
注意：管径越大，工作压力越小。
Pipe diameter optimization is achieved by control pressure of zero points.
按控制零点压力进行管径优化。
Required cure time depends on temperature, pipe diameter, and pressure application.
所需要的固化时间与温度、管道直径和应用压力有关。
Formula for calculating pipe diameter and lining thickness of pipelines with single lining.
单层衬里管道的管径及衬里厚度优化计算式。
Pump inlet pipe diameter changes when level, should choose eccentric different-diameter pipe.
泵的水平入口管变径时，应选用偏心异径管。
There isn't a consistent conclusion about how to ensuring water pipe diameter in relate field.
在规划的什么阶段确定管径，一直众说不一。
Recommends to make checking computation after adjusting pipe diameter in order to reduce errors.
建议对调整后的管径进行验算，以减少误差。
Pigging and caliper with clear pig diameter than pipe diameter usually to interference by 5% to 8%.
清管和测径用的清管器直径通常比管道内径要过盈5%至8%。
The change of steel pipe diameter makes steel pipe value and power benefit change at the same time.
钢管直径变化使得钢管造价和发电效益同时发生变化。
In addition, some users can pump into the pipe diameter, which head will have an appreciable effect.
此外，有部分用户还随意水泵进、出管的管径，这些对扬程也有一定的影响。
Analyses parameter have inclined Angle, pipe diameter size, gas liquid ratio and friction factor and so on.
分析参数有：倾斜角度、管径大小、气液比和摩阻系数等。
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。
Analysis shows that with the method of optimized selection of pipe diameter, excellent effects have been acquired.
通过计算分析表明，优选管径法可以取得良好的效果。
Features: fully sealed, arbitrary curved telescopic, pipe diameter and length does not limit the size can be customized.
特点：完全密封，任意弯曲伸缩，管的直径和长度不限大小都可以定做。
If it used this circumference automatic control system, the spiral welded pipe diameter could be controlled automatically.
若采用螺旋焊管周长自动控制系统可以实现自动化控制螺旋焊管的直径。
You should also install the check valve as far from the pump as possible and at a minimum length of 5 times the pipe diameter.
止回阀应该安装在离泵尽可能远，或至少5倍管道直径的的位置。
The larger of pipe diameter, the higher of fluid viscosity and the quicker of flowing Telocity, the better effect will be shown.
且当管径愈大，流体粘度愈大，流速愈大时，效果愈明显。
The pressure range of gas transmission and distribution network, network type, valve arrangement, pipe diameter arrangement, etc.
燃气输配管网的压力级制、管网型式、阀门配置和管径配置等是管网结构因素。
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；
The thickness and breadth of the steel strip is determined according to different pipe diameter and ring stiffness class requirements.
加强钢带的厚度与宽度根据管材直径、环刚度要求不同而分别设计确定。
In the case of constant pipe diameter, lengthening the length of vacuum tube is an effective way to increase the total heat of solar water heater!
在管径恒定的情况下，加长真空管的长度是增加太阳能热水器总得热量的有效途径和方向！
Calculation methods of pipe diameter of gravity flowed pipe is discussed in combination of engineering practices, and calculation program prepared.
结合工程实例，讨论了重力流管道的管径计算方法，并编制了计算程序。
The influences of pipe net spacing distance, pipe diameter, buried depth and soil's Poisson ratio on the distribution of superimposed load are discussed.
探讨了管道净间距、直径、埋深以及土体泊松比对附加荷载分布的影响。
Through installing recirculation tube on the mill and shrinking the primary air pipe diameter, the percentage of cool Sir To combustor is reduced by 8. 12%.
在增加磨煤机再循环风管的同时缩小一次风管径，使进入炉膛的冷风量减少了8.12%(总风量)。
Then, the effects of height difference between storage tank and collector, mass of storage water and cycle pipe diameter on system performance were analyzed.
然后，利用数学模型对储水箱与集热板之间高差、系统储水量和循环管径等因素对系统性能的影响进行了预测分析。
The paper analyzes the pros and cons of the reduction of pipe diameter, and points out that the proper reverse pumping can in effect elongate the pigging period.
分析了当量管径缩小的利弊，为管道的最佳运行提供了参考。
Previous research in this area has shown that, in general, above-ground drainage systems benefit from a reduction in pipe diameter to improve drain self-cleansing.
该领域过去的研究表明，一般说来，地面以上的排水系统能通过减小管道直径而受益，从而改进排水的自清理。
Previous research in this area has shown that, in general, above-ground drainage systems benefit from a reduction in pipe diameter to improve drain self-cleansing.
该领域过去的研究表明，一般说来，地面以上的排水系统能通过减小管道直径而受益，从而改进排水的自清理。
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