【摘要】 根据车站改造中的需要 ,主要介绍了道岔、轨道电路、信号机三大部分出现的几种情况的过渡方案更多还原

【Abstract】 According to the needs of the reform of the railway station,this paper mainly introduces some conditions which switch,track circuit and signal can show and their transitional methods respectively.更多还原