On the principle of phosphate coating formation, the paper introduces the inspection method and the process procedure of oil pipe coupling in the phosphate solution.
根据磷化膜的形成原理，介绍了油管接箍在磷酸盐溶液中的工艺处理过程和检验方法。
Process in the oil field workover, pipe coupling not only played a connection between the column, but also provides workover and other reference function of position.
在油田修井过程中，油管接箍不仅起到了管柱之间的连接作用，而且为修井作业等提供位置参照作用。
For example, a pipe and filter style allows for easy composability and loose coupling among the components in the chain.
例如，管道和筛选风格允许在链的组件间实现方便的可组合性和松散偶合。
The program is to process all kinds of oil well pipe thread and casing coupling.
该项目是加工各类油井管螺纹、套管接箍的机械加工项目。
Must not be smaller than the pipe size of the relief valve or have any reducing coupling installed in the discharge line.
不能小于安全阀的管道口径，也不能在排泄管上安装任何缩径管接头。
Principles of the polarization converter and its coupling with the light pipe are discussed.
另外介绍了偏振光转换系统的原理以及和光管的耦合。
Based on the flow moment equation, developed the lateral motion equation of a Marine riser by considering the coupling of the fluid and the pipe.
从流体的动量方程出发，考虑流体和管道的耦合，推导出输运流体海洋立管的偏微分运动方程。
We have established the continuity equations under train pipe leakage condition and presented an explicit finite difference method to solve the pressure-velocity coupling equations.
建立了考虑列车管泄漏的连续性方程，给出一种求解压力速度耦合方程的显式有限差分算法。
A novel solar illumination system consisting of strip plane mirror array collecting sunlight, light pipe, coupling mirror and grinded plastic tray scattering light was introduced.
提出一种采光面积大、结构简单、制作容易、维修方便的平面反光镜阵列汇聚采光，导光管传光，平面镜耦合，磨砂塑料盘散光的新型太阳光照明系统。
In the shale gas mining process, coupling of gas in underground pipeline and pipe will induce the pipeline vibration, which is the main reason for such failure of pipeline vibration.
页岩气开采过程中，井下管路内气体与管路的耦合作用，会引起管路振动，这是此类管路振动失效的主要原因。
A threaded coupling used to join two lengths of pipe such as production tubing, casing or liner.
连接两节管子(生产油管、套管或衬管等)所用的带螺纹的连接件。
The impedance of foamed cement is lower compared to conventional cement. It may lead to wrong results to assess the coupling be - tween foamed cement and pipe from the amplitude of CBL.
与常规水泥相比，泡沫水泥声阻抗值较低，用CBL中的常规声幅曲线评价泡沫水泥与套管的胶结质量，可能会得出错误的解释结果。
The plastic extension pipe with a joint coupling body can bring convenience for the installation of a ventilator, a range hood, a water heater, etc.
在安装通风装置、脱排油烟机、热水器等时，使用这种带接头联体的塑料伸缩管在许多方便之处。
The utility model belongs to a scope of electric pipe connection pieces, in particular to a muff-coupling clamping closed galvanized steel conduit joint device.
本实用新型公开了属于电气管线连接件范围，特别涉及一种套接紧定式封闭型镀锌钢导管接头装置。
The outside steel lagging fastens both ends of the pipe and wrap the gasket ring to realize the tight coupling between pipes.
外钢套扣住钢管两端并包裹密封圈。实现钢管密封连接。
Pressure system in coke oven gas-collecting pipe is a multi-coupling, nonlinear, strong disturbed, multi-variable and time-varying system. It is hard to control it in usual methods.
集气管压力系统是一个耦合严重、非线性、扰动频繁剧烈的多变量时变系统，很难用常规方法加以控制。
The utility model relates to a coupling device without buckles for a fluid pipe passage, which is used for substituting for the traditional coupling mode.
本实用新型是一种流体管路的无扣联接装置，用于取代传统的联接方式。
The delivery pipe (1) has a double-layer pipe body (2) which has in each case a coupling collar (7, 8) at the inlet-side pipe end (5) and at the outlet-side pipe end (6).
输送管（1）具有一 个双层的管身（2），该管身在入口侧的管端（5）上并且在出口侧的管端（6）上分别设置一个联接凸肩（7、8）。
The pipe quick coupling port structure has the advantages of high installation efficiency and high sealability in the coupling of such special pipes as straight pipes, bent pipes, T-joints and so on.
在直插管道与弯管、三通等异形管件的相互联接中，具有安装效率高、密封性能好的优点。
The coupling specification label is the same as the corresponding pipe specification label.
接箍的规格代号和相应的管子规格代号相同。
The coupling specification label is the same as the corresponding pipe specification label.
接箍的规格代号和相应的管子规格代号相同。
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