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沈阳铁路局吉林分局棋盘编组站已确定采用减速器(脱鞋道岔)与减速顶结合方案,11股道共安装3500个减
Jilin Railway Bureau of Shenyang Railway Board checkers marshalling station has identified the use of decelerators (take off shoes turnouts) and decelerating roof combination program, 11 shares were installed 3500 reduced