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- 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.
- 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。
- 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。
- 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。
- It has certain difficulties to perform pipeline pressure testing and drying because of com-plicated and variable topography and landform,long distance,big pipe diameter and high pressure. 西气东输管道沿线地形地貌复杂多变,且距离长,管径大,压力高,其管道试压与干燥施工具有一定的难度。
- In this paper,by means of contrasting the data from the experiment,we know that reducing flux rate,increasing pipe diameter and concentration of flow improver can reduce the ultimate temperature. 通过对大庆油田的现场含水原油在不同管径、不同流量和加入不同浓度流动改进剂的对照实验研究,结果表明,减少流量、增大管径和加入流动改进剂可降低含水原油集输的温度。
- Using a brush or applicator size no less than 1/2 the pipe diameter, apply a liberal coat of primer with a scrubbing motion to the fitting socket until the surface is softened and semi-fluid. 采用的刷子或涂敷工具不要小于管道半径，要在管件承插部位通过来回刮擦运动涂敷足够量的底漆，直到表面软化并且处于半液状状态。
- Principles of selection of pipe diameter, allowable length of tracing piping, allowable highness of baggy elbows as well as heat transfer packing paste were expounded. 阐述了需要采用蒸汽伴热的管道,伴热管直径、根数、允许长度和袋形弯允许高度等的合理确定,以及传热胶泥的使用。
- This lens can magnify 20 diameter. 这个透镜能放大20倍。
- Install the valve as close to the tank as possible, a maximum of 40 pipe diameters to assure accurate control. 在尽量靠近容器的地方安装阀门,最远不要超过管道口径的40倍,这样才能够确保精确控制。
- The diameter of the tree-trunk is about 2 meters. 这树干的直径大约是2米。
- In general a minimum of 10 pipe diameters of straight pipe should be provided upstream of a swing check valve to minimize adverse conditions. 通常，旋启式止回阀与上游部件的距离至少要有管道直径的10倍，这样才能够将反作用降到最小程度。
