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。
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。
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。
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。
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。
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。
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。
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。
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。
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。
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。
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。
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