Subsurface pipe drainage in drought-prone region is superior to surface drainage in draining off water and salt, controlling ground water-level, and increasing crop output, etc.
以明沟排水为对照，论述了内陆干旱重盐碱区暗管排水在排水排盐、控制地下水位、提高土壤脱盐效果及提高作物产量等方面的优越性。
Remote-controlled machines smash the sulfide deposits, which are then hoovered up through a riser pipe to a vessel on the surface.
远程控制的机器粉碎硫化物沉积物，然后通过升流管将其吸附到地表的容器上。
The break-up of the gas piping, the letting out of liquefied petroleum gas, the bursting of the running water pipe, calamity accident caused in subside of road surface and bridge,etc.
煤气管道破裂、液化石油气泄漏、自来水爆裂、路面桥梁塌陷等引起的灾害事故；
The hot water from the street runs through them, warming the groundwater, before returning to the surface via another pipe.
之后再通过另一跟导管返回地表进行另一次加热。
Arc Burns. Localized points of surface melting caused by arcing between electrodes or ground and pipe surface.
电弧烧伤。由于电极(含接地极)与管子表面之间起弧而产生的局部表面熔化点。
Stainless steel tube surface after sand blasting become rough and very evenly, can enhance the paint adhesion layer on the surface of stainless steel pipe.
不锈钢管表面经过喷砂变得粗糙又很均匀，能增强油漆层对不锈钢管表面的附着力。
In outdoor surface without a pipe, condensing damage (frost) by the opportunity to lowest.
无需在室外面设管道，受冷凝损害(霜冻)的机会降至最低。
Surface cleaning is critically important for pipe coating, and shot (impeller) blasting is the most suitable derusting method for most kinds of coating materials.
钢管的表面处理是决定覆盖层质量的关键因素，对大多数覆盖层而言，喷(抛)丸除锈法是最理想的除锈方式。
Contact mark. Intermittent marks adjacent to the weld line resulting from the electrical contact between the electrodes supplying the welding current and the pipe surface.
触点痕。由于供焊接电流的电极与管子表面间的电接触，致使在焊缝线附近产生不连续痕迹。
The wave propagation and power flow characteristics of a shell-type pipe with circumferential surface crack are investigated and the method for crack detection is proposed.
研究在外力激励下含有环向表面裂纹损伤的壳式管道的波传播与功率流特性，并给出裂纹识别方法。
Our results indicate that the ion dose on both the inner and outer surfaces and the end surface of the pipe changes with change of the auxiliary electrode radius.
计算机模拟结果显示了附加电极半径改变时，空心圆管内部、外部及端点表面处的离子注入剂量分布发生变化。
While fluids flow through a pipe, dynamics loses because of the surface friction of pipe.
流体流经管道时，由于管道表面的摩擦力而产生力头损失。
For surface crack in pipe, this paper presents the finite element model including line spring element that is used for J integration calculation, as well as numerical examples.
对管道上的表面裂纹采用线弹簧单元，建立了裂纹管道J积分计算的有限元模型，给出了J积分的计算实例。
A precise pass-size and welded pipe with excellent surface quality can be get when the deformation way of cube-pass and design calculation with surpass trigonometric equation are used.
采用“立方”孔型变形形式，结合简明的超越三角方程进行设计计算，以得到精确的孔型尺寸及高表面质量的焊管。
On the outer surface of the pipe, the axial residual stresses of the weld and in its vicinity are compressive while the hoop stresses keep tensile.
在管道接头外表面焊缝中心处的轴向残余应力为压应力，而环向残余应力为拉应力。
A gap or void in the coating of a pipe or in paint on a metal surface.
在管子覆盖层或金属表面涂漆层上有漏涂点或裂缝。
The pipe shall be protected with surface paint to prevent pipe rust during transportation for ensuring the quality of pipe during galvanized pipe production process.
镀锌钢管生产工艺中，为保证产品质量，防止运输过程中产品生锈，需对钢管进行表面喷漆保护处理。
Blister were observed in the surface of square pipe after being hot zinc-plated.
方管表面热镀锌后出现不同程度的鼓泡现象。
Based on the rehabilitation of pipeline coatings, the paper summarizes the methods about the selection of rehabilitation, cleaning of pipe surface, and repair of pipe.
根据东北输油管道大修历程，总结出了防腐层大修段的选择、管道表面清理、管道补强及管道安全运行的经验和方法。
Types of and causes for the surface defects of the CC round billet for pipe - rolling with mandrel mill are analyzed, and quality improvement measures proposed.
简要分析了连铸连轧圆管坯表面缺陷的类别和形成原因，提出了改进圆管坯质量的措施。
Compactness from 600 mm above the pipe to surface grade shall be at least equal to surrounding soil.
从管道上部600毫米高度处到地面标高之间的回填土的压实程度应至少同周围的土质相同。
Detailed is the powder-coating process and principles of steel pipe by static electricity as well as the process of both chemical and mechanical pretreatment on steel pipe surface.
详细介绍了钢管粉末静电涂装生产工艺和原理以及对钢管表面进行化学、机械的预处理工艺。
Virtual endoscope display can observe the inner surface of the pipe dynamically and directly.
虚拟内窥显示可动态地观测到管道内表面，更为形象直接。
Describes principle and construction of verification device for surface thermometer with heat pipe.
叙述一种热管式表面温度计检定装置的原理、结构。
Describes principle and construction of verification device for surface thermometer with heat pipe.
叙述一种热管式表面温度计检定装置的原理、结构。
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