解决大秦线共线式调度电话呼叫其分机不稳定的方法周勤荣，梁奋兴大秦线西段自开通运营以来，大秦列调一台及大秦枢纽列调台使用不稳定，经常发生呼叫不到某个分机或几个分机的现象，严重影响了调度所的行车指挥工作。为了解决这个疑难问题，１９９３年初由分局电务科牵头... To solve the Daqin line dispatching telephone calls unstable extension method Zhou Qinrong, Liang Fenxing Since the opening of the western section of the Daqin line since the operation of the Daqin series and Daqin pivot alignment station is not stable, often occur less than an extension call Or a few extensions of the phenomenon, seriously affected the dispatch of traffic command work. In order to solve this difficult problem, led by branch bureau in early 1993 ...