机车车辆配件，作为铁路的一项重要的专用物资，为铁路的行车安全担当重任。同时，在整个物资供应中，机车车辆配件种类占整个铁路物资供应品种的一半以上，而通过物资部门所供应的金额在整个物资供应金额中所占的比重也在逐步加大。因此，机车车辆配件在物资部门已经成为... Locomotive and vehicle parts, as an important railway dedicated materials, railway traffic safety responsibility. At the same time, in the whole material supply, the types of spare parts for rolling stock accounted for more than half of the total varieties of railway supplies, and the proportion of the supply of goods through the supplies department was also gradually increased. Therefore, the rolling stock accessories in the material sector has become ...