我局滨绥线下行杜草、治山间是列车运行较为困难的区段。由杜草站发车,列车运行距离很短便进入隧道,一般洞内运行时间在7—10分钟。隧道内温度高,燃气浓度较大,乘务员作业困难,同时该区段是单线,坡度又大,定数始终提不上去,所以通过能力受到了限 I Bin Shuixian descending line Du grass, cure between the mountains is more difficult to run the train section. From Du grass station departure, the train running distance is very short to enter the tunnel, the general operation time in the cave in 7-10 minutes. Tunnel temperature is high, gas concentration is larger, flight attendants operating difficulties, at the same time the section is a single line, the gradient is large, the number has not put up, so the ability to be limited