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针对目前公铁交叉路口交通流量日益增多，现有的的信号流通和控制装置落后陈旧的现状提出一种实用的微机道口——列车间信息传送和各自控制电路的组成和工作原理，并就安全，可靠运行提出了有益的看法。
Aiming at the present situation of traffic flow increasing at the intersection of bus and subway and existing obsolescence of signal circulation and control device, this paper presents a practical microcredit gateway - information transmission between trains and the composition and working principle of their respective control circuits. , Put forward a useful view of reliable operation.