铁路系统

To meet the technology requirements of detection process of brake cylinder buffer spring for railway truck, the papers was described and analyzed in numerical control, and designed a siemens S7-200 series PLC to control the core of the detection devices, to achieve the precise positioning control for numerical control system.

针对铁路货车制动缸缓解弹簧检测工艺的技术要求，文章在数控测控方面进行了详细的阐述和分析，并研制出了一种以西门子S7-200系列 PLC为控制核心的检测装置，实现了数控系统的精确定位控制。

The problem of space dynamic interaction between train and railway bridge is studied systematically in this thesis.

本文系统地研究了铁路桥梁的车桥空间耦合振动问题。

The problem of space dynamic interaction between train and railway bridge is studied systematically in this thesi...

本文系统地研究了铁路桥梁的车桥空间耦合振动问题。

As the fast developing of the related information technology and the achievements of the railway bureau information-based construction, the railway bureau freight management information system has been well developed.

随着相关信息技术的日益成熟以及当前铁路信息化建设所取得的成就，铁路局货运管理信息系统的建设取得了长足的发展。

The canal system of this country is being threatened by the spread of a new form of transportation known as 'railroads.

我国的运河系统目前受到被称作&铁路&的新的运输方式扩展的威胁。

Langfang Jihua-trade fuels Management Company Limited was established in 2006, has been two years of coal sales history, major cities headquarters in Beijing have large freight yard with a total area of 160,447 square meters, each package of road freight yard with all the machinery Coal Unloader missing, the coal and coal transport system, sprinkler irrigation equipment, are equipped with dedicated rail lines

廊坊冀华通贸燃料经营有限公司成立于2006年，至今已有2年煤炭销售历史，总公司在北京各大城市均有大型货场，总面积160447平方米，每个货场均拥有整套行进的机械缺卸煤、配煤系统和煤炭转运、喷灌设备，均配有铁路专用线。

Langfang Jihua-trade fuels Management Company Limited was established in 2006, has been two years of coal sales history, major cities headquarters in Beijing have large freight yard with a total area of 160,447 square meters, each package of road freight yard with all the machinery Coal Unloader missing, the coal and coal transport system, sprinkler irrigation equipment, are equipped with dedicated rail lines.

标志设计，燃料经营公司标志设计，燃料公司VI设计，燃料公司标志设计欣赏廊坊冀华通贸燃料经营有限公司成立于2006年，至今已有2年煤炭销售历史，总公司在北京各大城市均有大型货场，总面积160447平方米，每个货场均拥有整套行进的机械缺卸煤、配煤系统和煤炭转运、喷灌设备，均配有铁路专用线。

Langfang Jihua-trade fuels Management Company Limited was established in 2006, has been two years of coal sales history, major cities headquarters in Beijing have large freight yard with a total area of 160,447 square meters, each package of road freight yard with all the machinery Coal Unloader missing, the coal and coal transport system, sprinkler irrigation equipment, are equipped with dedicated rail lines.

项目背景：廊坊冀华通贸燃料经营有限公司成立于2006年，至今已有2年煤炭销售历史，总公司在北京各大城市均有大型货场，总面积160447平方米，每个货场均拥有整套行进的机械缺卸煤、配煤系统和煤炭转运、喷灌设备，均配有铁路专用线。

The first system is developed on the commercial CAD-Pro/Engineer using its developing tool-Toolkit. The system can estimate the manufacturing cost of the part after its detailed design by using the feature modeling technology.

基于产品结构树的铁路货车产品快速报价系统，则是在产品概念设计阶段，通过建立产品的概念模型，利用企业的零部件成本信息数据库，实现产品的快速成本估算，以达到对设计方案进行成本评估与产品快速报价的目的。

Vacuum conduit carries a system to have the advantage that has a few kinds of traffic to carry kind, overcome them at the same time all inadequacy, accordingly, it is Chinese railroad spans the commanding elevation of science and technology that type develops and opportunity window.

真空管道运输系统拥有现有几种交通运输方式的优点，同时克服它们所有的不足，因此，它是中国铁路跨越式发展的科技制高点和机会窗口。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。