a wheeled vehicle adapted to the rails of railroad;

"three cars had jumped the rails"

Hump lead speed reducer is a special equipment urgently needed in railway car grouping station of small or medium capacity.

驼峰减速器是当前中、小能力车列编组站驼峰改造过程中急需研制的一种专用调速设备。

The general arrangement, performances and structural characteristics of the plateau railway car for Qinghai-Tibet Railway are presented. Meanwhile, the test and operating condition are described.

介绍了为青藏铁路研制的高原轨道车总体布置、性能及结构特点，并对试验和运用情况进行了总结。

For a long time, the equipment maintenance modes of urban railway car equipment in our country adopted periodic maintenance which is based on wear theory.

长期以来，我国城市轨道交通车辆设备维修主要采取的是基于磨损理论的定期维修模式。

This article described application situation of welding robot in railway car manufacture. Analyzed some questions existed in the application, and putted forward the solutions.

介绍了焊接机器人在铁路客车制造行业的应用状况，分析了焊接机器人应用过程中存在的问题，提出了相应的解决措施。

After comparison and analysis of various kinds refrigerating systems, the technical scheme of refrigerating system of refrigerated railway car with the 23 t axle-load are put forward.

本文在对各种制冷系统分析比较后，提出23吨轴重铁路冷藏车制冷系统的技术方案。

The electronic antiskid device of railway car can make high-speed cars stop safely in given distance. It is an important component for ensuring driving safety.

铁路客车电子防滑器使高速列车能在规定的距离内安全停车并防止滑行，是保证行车安全的重要部件。