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南疆铁路鱼儿沟机务段位于天山南麓角下,担当吐鲁番—库尔勒间的客运运输任务。线路全长473km,22‰的长大下坡道;经由八级以上的风沙区段和海拔2980m高的寒冷区段。当列车运行到这两个困难区段时,由于车辆三通阀作用勾贝处于静止状态,空气管路内含有的水份、杂质、油垢以及阀体内表面的沙土,很容易使三通阀作用勾贝固着,春、秋、
Nanjiang Railway Yuer ditch locomotive depot located at the southern foot of the Tianshan Mountains, Turpan - Korla passenger transport between the task. The line is 473km long and 22 ‰ long and grows downhill. It passes through the section of sand and sand above Grade 8 and the cold section of 2980m above sea level. When the train runs to these two difficult sections, due to the action of the three-way valve of the vehicle is in a quiescent state, the air pipe contains water, impurities, grease and sand on the inner surface of the valve body, it is easy to make the three-way valve function Goubuli fixation, spring, autumn,