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。
The design thought, technical parameters, car performance and measurement equipment of the new type comprehensive testing car on electrical railway are described.
介绍了新型电气轨道综合试验车的设计思想、技术参数、车辆性能和测定装置。
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。
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