This paper presents a process of a "Portable Testing Instrument for Train Brake Pipe Gas Pressure", including hardware design and software development.
本论文完成的工作包括便携式列车管气体压力测试仪的硬件设计与软件开发。
The brake is tested by erecting railway freight train and testing circulation, its circulation result is very good, the request of railway freight train is full satisfied to lift speed.
该闸瓦经装车试运行检验，其运行效果很好，已完全满足了铁路货车的提速要求。
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