This paper mainly tells the story of the subway brake type, metro vehicle and train braking system working principle and working process.

本论文主要讲述了地铁制动的类型、地铁车辆及列车制动系统的工作原理和工作过程。

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Due to the special natural and geographical environment and line conditions, some stricter requirements for the train braking system are needed to ensure the safe train operation.

由于青藏铁路特殊的自然地理环境和线路条件，为保证列车安全运行，对列车制动系统必须有更高的要求。

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Research results:The reasonable safe protection facilities and the wayside facilities for testing train braking system(available) for various conditions of running 20 000-ton train shall be chosen.

研究结果：适应各种情况下20 000 t列车作业的列车安全检查，选择合理的安全防护设备和列车地面试风设备设置方式。

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