相应的高水头大直径水工压力隧洞的建设也逐渐增多。并且越来越多的工程采用地下钢筋混凝土岔管。
Building of hydraulic tunnels with high head and large diameter increase gradually, and the underground reinforced concrete branch pipe is adopted in more and more projects.
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。
During pipe line laying or large beam support welding, it often meets crossover of two or multi different axis large diameter pipe piece.
新管幕工法是我国引进的一种新型地下结构暗挖工法，该工法以沿结构边线顶进大直径钢管为基础，逐步形成大断面地下结构。
The underground structure gradually forms by compressing a serious of great diameter steel pipes into the ground used as a foundation along the edge of the structure.
简要介绍了俄罗斯目前对大直径焊管的需求及生产现状。
This article briefly introduced the demand and production situation of large diameter welded pipe in Russia.
焊管机组在线矫平机是焊管生产线的主要设备之一，为了确保高强度、大直径、厚壁焊管生产的顺利进行，矫平机的性能十分重要。
Online Flattener is main equipment of welded pipe unit, the property of Flattener is very important to ensure production of welded pipe with larger wall thickness going well.
目前，大直径泥水平衡顶管掘进已成为城市给排水水管、电力管线工程等首选的施工方法。
At present the large diameter slurry pipe jacking is the preferred construction method in project of urban water supply and drainage pipe and electric power pipe.
这对于加工大直径、高精度的管类件具有重要的意义。
The new technology is especially fit for working big diameter and high precision tube parts.
大直径直缝焊管主要用于石油、天然气、水煤浆及各种液体的管道输送。
The large dia. straight seam welded pipes are mainly used to transport oil, natural gas, coal pulp and other liquids.
介绍大直径预应力高强度管桩的沉桩技术，以及沉桩过程中的注意事项和问题处理。
An introduction is given to sinking technology for large diameter prestressed high strength tubular pile, and issues for consideration during sinking and treatment of problems encountered.
在大直径的场合下，正确分析管板受力状态，对保证换热器安全运行和节约材料等起着非常重要的作用。
For a large tubesheet, performing stress analysis is especially useful for saving the material while keeping sufficient strength of the tubesheet.
讨论了大直径焊管焊缝边缘引起划痕的原因，分析减少焊缝边缘划痕的方法。
This paper discusses the reason of scratch in the weld seam border of large OD. welded steel pipe, and analyses the method to reduce it.
预弯边机是大直径直缝埋弧焊管生产线的关键设备之一。
Pre-bending machine is one of the most important facilities in the production of LSAW pipe with larger diameter.
通过对常规铺管船的分析，提出浅水大直径薄壁管道铺设方法及作业原理。
Through the analysis of Conventional Pipelaying Barge, this paper presents a new method and analyses its principle for laying large diameter and thin wall pipeline in shallow water.
研究结果：施工方案中提出了大直径超前管幕支护措施，用以控制地层变位。
Research results:The support measures in advance were proposed in construction scheme for large-diameter advanced tubal curtain in order to control the displacement of stratum.
在上述金属管的制造方法中，顶头或锥状芯棒的加工最大直径可以大于管坯外径。
In the metallic tube producing method, a maximum diameter of the plug or tapered mandrel bar may be larger than an outside diameter of the mother tube.
用这种方法设计的双摇杆导引机构能满足平管机械对较大直线位移的运动要求 。
On the basis of kinematics and geometry principle, the mathematical model for the double rocker arm mechanism was established.
提出夯扩头最大直径计算方法，并对沉管桩和夯扩桩的经济效益进行分析比较。
The calculation methods of maximum diameter of ram extension hair is put forward.
简要介绍了俄罗斯目前对大直径焊管的需求及生产现状。
Finite element simulation of large diameter straight-weld pipe forming;
“SOLEN高速电容器”优于其他类似的电容器：多段式，分段式，一般或特殊，由于我们少有的短管大直径，快速设计。就是如此容易。
SOLEN Fast Capacitors outperform any other similar capacitors: multi-sections, segmented, ordinary or otherwise, due to our unique short length, a wide diameter, fast design. It is as simple as that.
“SOLEN高速电容器”优于其他类似的电容器：多段式，分段式，一般或特殊，由于我们少有的短管大直径，快速设计。就是如此容易。
SOLEN Fast Capacitors outperform any other similar capacitors: multi-sections, segmented, ordinary or otherwise, due to our unique short length, a wide diameter, fast design. It is as simple as that.
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