Numerical controlled flow line for pipe shaping.
管道数控加工自动控制流水线。
The valves can used for pipe nozzle and have reliable performance.
阀门可用于管端作放空阀用，性能可靠。
Read the man pages for pipe , dup , open , close , exec , and fork .
请参阅pipe 、dup 、open 、close 、exec和fork的手册页。
The heat economic analysis for pipe exchanger with fins is made, and its advantages are discussed.
采用热经济分析法，以翅片管式热交换器为研究对象，讨论热经济分析法的优越性。
Drains which pass under a house must be of cast iron, the most expensive material for pipe drains.
穿过房屋下面的排水管道，必须使用铸铁管，这是排水管所用的最昂贵的材料。
The X grace steel sheet is used as main material for SAW straight weld pipes for pipe line purpose.
X级管线钢板材是生产直缝埋弧焊管的主要原材料。
The influence domino effect for pipe and soil caused by construction has been analyzed by using FEM.
采用有限元法分析了曲线顶管施工对管节和土体的影响效应。
Continuous casting of hollow tube is considered as a profound near net shape technology for pipe production.
空心管坯连铸技术被认为是管材生产更深层次的近终形制造技术。
The fire work technology of soil blocking and vapour replacing for pipe maintenance is introduced in the paper.
介绍了输油管道检修中的泥土封堵动火与蒸汽置换动火技术方法。
The article introduces the working conditions of forming rollers for SSAW pipe unit and its function for pipe forming.
介绍了螺旋焊管机组成型辊的工作状况和在制管成型中的作用。
Result of my study that the problems of great drop line maybe have, which is an essential guidance for pipe commissioning.
研究了大落差管道可能产生的各种问题，对管道的投产具有重要的指导意义。
Thermodynamic optimization of insulation for pipe like surface based on entropy generation analysis is given in this paper.
基于熵产分析，时管状表面绝热层进行热力学优化。
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。
With gradually expanding of project market, more high requisitions for pipe anti corrosion technology have been brought forwards.
管道工程市场的日趋扩大，为管道防腐技术提出了越来越高的要求。
The condition of resonance oscillation for pipe-one-end-closed system was analyzed on theory, and an example was gived to analyze it.
本文从理论上分析闭端管路系统发生谐振的条件，并给出了实例分析。
The American Petroleum Institute (API) provides standards for pipe suitable for use in both the oil and natural gas industries (figure 4).
美国石油协会对适合应用于石油和天然气行业的管材制定了标准(如图4)。
The composition and structure, main functions and programming and design methods of the control system for pipe bender are introduced briefly.
简要介绍了弯管机控制系统的组成结构、主要功能及编程的设计方法。
Basic principles, methods, processes and equipments for pipe, wire coating and stripe processing and moulding of PTFE dispersion resin are introduced.
介绍了聚四氟乙烯分散树脂的管材、电线包覆和带材加工成型的基本原理、方法、工艺及设备。
The actual calculation result is analyzed and the result indicates these models can meet the requirements of the technology for pipe end upset control.
分析结果表明，该模型符合管端增厚控制的工艺要求。
Therefore, any attempt to achieve a high degree of accuracy for pipe sizes is futile, especially as pipes are manufactured only to certain standard sizes.
因此，任何想为排水管尺寸做高精确度估计的努力都是徒劳的，特别是因为管道生产的尺寸都是有一定标准的。
To introduce the process of wire drawing process, chemical Cu-plating process and formulation of top grade submerged-arc welding wire for pipe line steel.
介绍管线钢用高等级埋弧焊丝拉丝工艺、化学镀铜工艺及配方。
This article introduced the design principle, chief technical parameters, characteristics and points for attention of the chamfering machine for pipe end.
本文介绍了加工管道坡口的机械——管道平头倒坡口机的设计原理、主要技术参数、特点和使用时的注意事项。
The moveable pedestal-type stopper used for pipe seperating and stopping after sizing has the function of adjusting cushioning force according to pipe sizes.
设计的钢管定径后分流和挡料座式活动气动挡料器，可根据钢管规格调整挡料时所产生的缓冲力。
The reliability evaluation model of software of quality assurance for pipe support plate manufacturing using fuzzy analytical hierarchy process is developed.
用模糊层次分析法建立了管子支撑板制造质保软件的可靠性评估模型，并以实例求解。
The method of stress analysis for pipe with special joints including Y joint and taper - taper joint is indicated through the analysis of vacuum transfer line.
本文通过对减压转油线的应力分析，说明了特殊形状三通管道（包括Y形三通、裤形三通） 的应力分析方法和过程。
The results shows that the corrosion is an ideal austenite crystal boundary corrosion for pipe line steel. The accuracy of adopted determination method is high.
结果表明，此浸蚀剂是管线钢一种理想的奥氏体晶界浸蚀剂，所采用的测定方法的精确度较高。
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。
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。
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