The process of a pipe production is the following: a round cast workpiece is put onto a hot rolling line where it is cut, heated, stitched and rolled till a pipe of necessary size is ready.
一个钢管的生产流程如下：圆管坯放在要被切割的高温轧制线上，继续升温，穿孔，轧制直到管坯大小基本成型。
By insulating flange at the junction between the new and old pipe, the long line galvanic cell is "broken up" - the anode (new pipe) is electrically separated from the cathode (old pipe).
在新、旧管子连接处安装绝缘法兰，破坏了长管道的原电池，即：阳极(新管子)和阴极(旧管子)间电断路。
Open the relevant valves on the oil pipe line and the water pipe line.
打开油管管路和水管管路上有关的阀门。
This paper deals with the relationship between the fault movement and the pipe line deformation and presents some opinions as to how to design a buried oil and gas pipe line through fault area.
本文讨论了断层运动和管道变形的关系，从而对过断层区的埋地管道的设计提出了几点意见。
Precision measuring hot rolling seamless steel pipe on line is a new technology to enhance quality of steel pipe.
热轧无缝钢管在线精度测量是近年来为了提高无缝钢管质量采取的一项新技术。
The following factors having effect on pipe toughness are analysed: line pipe strength and design level, pipe thickness and diameter, medium transported, locations in pipe environmental impact, etc.
管道韧性设计受多方面因素的影响，分别分析了管道钢的强度及设计水平、管壁厚度、管径、输送介质、钢管的不同部位、环境条件等相关的影响因素。
It have been one of difficult problem that pipe intersecting line NC cutting programming in pipe project.
管件类相贯线数控切割编程一直是管道工程的难题之一。
This laser welded pipe realizes thinner alloy line pipe which is commonly designed in flow line usage.
这种激光焊管实现了薄壁合金管在流体输送管道上的应用。
Based on reliability theory, a basic maths model of calculating the reliability of drainage pipe line is recommended for factual need of drainage pipe line design.
根据排水管网设计的实际需要，以可靠性分析理论为依据，提出可以用于排水管网可靠性计算的基础数学模型。
In the planning and design of gravity water transfer system, the combined pattern of pressure free pipe and canal with pressured pipe line is sometimes adopted to carry out water transfer.
在重力输水系统的规划设计中，有时采用无压管渠与压力管道相结合的方式输水。
The production line is mainly used in producing PP-R, stainless steel compound pipe production line and others, such as PP-stainless steel and other compound pipe materials.
该生产线主要用于生产PP-R不锈钢、铜塑复合管生产线及其它如PP-不锈钢等复合管材。
Abstract: as a kind of functioning material, the dual metal pipe has a number of advantages when used for pipe line purpose.
文摘：双金属管是一种功能材料，作为管道输送材料具有许多优点。
During pipe line laying or large beam support welding, it often meets crossover of two or multi different axis large diameter pipe piece.
在管道铺设或大型梁架焊接过程中，往往会遇到两个或多个不同轴线的大直径管件相交的情况。
This company has seamless steel pipe perforation unit production line two, cold draw production line six, hot rolling production line with welded steel pipe production line two.
本公司拥有无缝钢管穿孔机组生产线两条，冷拔生产线六条，热轧生产线一条和焊接钢管生产线两条。
Close the relevant valves on the oil pipe line and the water pipe line.
关闭相关的油管管路和水管管路上的阀门。
Seamless steel line pipe is a kind of steel pipe without seams, which is mainly used in the places near the mouth of oil well or gas well to transmit oil or gas with high pressure.
无缝管线管主要是用于油井或气井的井口附近输送高压油、气的无焊缝钢管。
When the pump sets lose electricity during operation, for the sake of preventing pipe failure by negative pressure, installed a surge shaft at the head of the pipe line.
当泵组运行失电时，为防止负压对管道的破坏，在管道首都设置了调压井。
On the coating production line, it is necessary to maintain the cleanness of the pipe, avoid pipe from overbending and assure a good cooling temperature of coated pipe.
实际生产过程中应保证钢管的清洁度、钢管弯度不宜过大、保证防腐管冷却温度等。
Anticorrosion line is the basic equipment in the pipe anticorrosion engineering. A series of processes such as heating pipe, getting rid of rust, spreading, etc, can be realize by the line.
防腐作业线是管道防腐工程中的基本装置，通过它可以实现对管道的加热、除锈、涂敷等一系列工艺过程。
This paper discusses on existing problems and reconstruction principles of pipe-line in old urban area and , from the angle of implement, expounds reconstruction forms of pipe-line in old urban area.
就旧城区排水管网存在的问题及改造的原则进行了论述，并从实施的角度阐述了旧城区排水管网改造的形式。
Flying saw is the important equipment for pipe flow production line. It not only controls the accuracy of pipe length, but also restricts the production speed and cut surface quality.
飞锯机是管材连续自动生产线上的关键设备，它不仅控制管材的定尺切断精度，同时制约着生产线的生产速度和切口质量。
Brief: The pipe line is needed to dredge when it was blocked. It is very dirty and dangerous and lower efficiency or can not operate by manpower when the pipe line is waste or poisonous.
内容摘要：管道被堵塞需要疏通，如果是用普通的人工清理方法在遇污水或有毒管道时不但脏且是很危险的，而大面积泥土淤积时效率很低或根本无法疏通。
HGJ-800 pipe cut-off machine, which is used in a long-pipe hot rolling line, and can short cut-off time and has less pollution and safer working, is described.
介绍一种适于热轧长钢管生产线使用、锯管时间较短、环境污染小和使用安全的HGJ- 800型钢管锯断机。
Line pipe and line pipe steel plays the important role in safe and economy oil and gas transmitting.
为了实现安全、经济的输送，管线钢钢管起到重要的作用。
The kinematics model and driving force model for the micro in-pipe robot in line pipe and bending pipe are established, which can provided control basis for external power.
建立了微型管道机器人在直线管道、弯曲管道的运动学分析和驱动力分析模型，为驱动力外置提供了控制依据。
PE series plastic pipe production line is mainly used for producing pipe of water supply and drainage in the field of agriculture and construction, cable etc.
PE系列塑料管材生产线主要用于生产农用给排水管、建筑给排水管、线缆等产品。
When the construction of pipe-and-line-works is carried out within the planned red line of urban roads and highways, the position arrangement of pipe-and-line-works shall follow the provisions below.
在城市道路、公路的规划红线内进行管线工程建设的，管线位置的规划安排应当遵循下列规定。
When the construction of pipe-and-line-works is carried out within the planned red line of urban roads and highways, the position arrangement of pipe-and-line-works shall follow the provisions below.
在城市道路、公路的规划红线内进行管线工程建设的，管线位置的规划安排应当遵循下列规定。
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