Railways have benefited from such technological improvements as double-stacked rail cars and better software for managing both rolling stock and supply chains.
铁路（公司）也因技术改进而受益，例如双垛轨道车，而且有更好的软件管理全部机车和供应链。
It may decrease fatigue damage causing by rolling contact and side damage on track and prolong rail service life 0.5 ~ 1 time by means of grinding rail track.
通过对钢轨的修磨可减少由于滚动接触疲劳引起的钢轨损伤，减少钢轨侧面磨损，可延长钢轨的使用寿命0.5 ~1倍。
Rail must provide continuous, smooth, least resistance of rolling surfaces and good adhesion of traction to the train wheels.
钢轨必须为车轮提供连续、平顺和阻力最小的滚动表面，还应提供较好的粘着牵引力。
The rolling process of corrugated waist rail is simulated by explicit dynamic FEM.
利用显示动力学有限元分析方法，模拟了波纹轨腰钢轨的轧制过程。
The technology and equipment of rolling heavy rail by using continuous casting billet were introduced. The quality and mechanical performance of heavy rail were introduced too.
简要介绍了包钢钢联轨梁轧钢厂连铸坯轧制重轨的工艺、设备，以及重轨产品的质量和力学性能。
The universal finish pass is the best method of rolling high precision heavy rail.
结果表明，轧制高精度重轨的最好方法是使用全万能成品孔。
The result shows that rolling contact fatigue failures caused swap block defects of rail.
结果表明，掉块缺陷的形成是由于钢轨滚动接触疲劳伤损所致。
The rolling process of a kind of new rail——corrugated rail waist Rail was simulated by MARC and the rolling experiments was made.
用MARC有限元软件对一种新型钢轨———波纹轨腰钢轨进行了轧制模拟计算，并进行轧制实验，掌握了波纹轨腰钢轨变形的特点和轧制过程中的关键技术。
In this paper, the whole process of 60at rail production including steel-making, blooming, rolling, straightening and finishing is described.
本文论述了60at轨的全部生产工艺过程，包括冶炼、开坯、轧制、矫直以及精整加工等。
The invention is a method and a roll for rolling the large-sized rail into small-sized rail.
一种将大型号钢轨轧制成小型号钢轨的方法及其轧辊。
The high quality heavy rail must be produced by high precision rolling technology. The conventional technology of 2-h mill adopted in our country is difficult to produced it.
阐述了目前市场急需的高质量重轨必须实现高精度轧制，我国现有重轨厂采用二辊孔型轧制难以满足要求。
He steadied himself by holding on to the rail, eg on the deck of a rolling ship.
他抓住栏杆使自己站稳（如在颠簸的船甲板上）。
The bend shapes of rail during cooling at air after hot rolling were simulated using the finite element software ANSYS.
应用有限元软件A NSYS模拟了热轧钢轨空冷过程的弯曲变形规律。
The utility model discloses a slide rail device for drawers, comprising fixed slide bars, movable slide bars, and rolling wheels which are arranged on the slide bars.
一种用于抽屉的滑轨装置，是由固定滑条、移动滑条和由装在其滑条上的滚轮组成。
A rolling guide device (160) has a raceway rail (161) as a railway member and has a mobile body (163) movably installed on the raceway rail (161) with balls (162) in between.
滚动引导装置(160)，具有作为轨道部件的轨道导轨(161)、和经由滚珠(162)移动自如地安装在该轨道导轨(161)上的移动体(163)。
Currently measures in control of wheel-rail rolling noise mainly by improving and optimizing the rail structure to achieve, but rarely considered the impact of the foundation under rail.
目前控制轮轨滚动噪声的措施主要是通过改善和优化轨上结构来实现的，而很少考虑轨下基础对噪声的影响。
The high quality heavy rail must be produced by high precision rolling technology.
在钢材产量大于市场需求的条件下 ，高精度轧制显得更加重要。
Where are the new opportunities in rolling stock for rail?
铁路车辆的新市场机会在哪里？
Where are the new opportunities in rolling stock for rail?
铁路车辆的新市场机会在哪里？
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