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近年来,专用车辆与固定车底循环直达列车的发展,是国外较为普遍的趋向。与通用货车相比,专用车辆的空率确实是偏高一些(当然,组织合理时,压缩专用车辆的空率也是可能的。),但专用货车的载重力利用率较高,它所装载的某种货物最适合某种装卸方法,加速了机车车辆周转,所以,专用车的生产率高于通用货车。
In recent years, the development of special vehicles and fixed undercarriage direct trains is a more common trend abroad. Compared to general purpose trucks, the vacancy rate of a dedicated vehicle is indeed higher (of course, it is possible to compress the empty rate of a dedicated vehicle when the organization is reasonable), but the dedicated truck has a higher utilization rate of loading capacity, Some kind of cargo is most suitable for a certain loading and unloading method, which accelerates the turnover of rolling stock. Therefore, the production rate of special vehicles is higher than that of general trucks.