有关铁路运营衡器现行检定周期的思考姚珊娜（长沙铁路总公司）铁路产品是人与货的位移，即旅客与货物的运输，其计量单位为人公里或吨公里ｃ其中货物，包括行包的运输是铁路经营创收的主要来源，而货物运输收入的结算工具完全依赖于运营衡器。因此对运营衡器的检定和管理... Yao Shanna (Changsha Railway Corporation) Railway products are the displacement of people and goods, that is, the transport of passengers and goods, the unit of measure is km or tonne kilometers c The transportation of goods, including luggage, is the railway The main source of revenue for operations, while the settlement tool for revenue from the carriage of goods relies entirely on operating scales. Therefore, the verification and management of operating scales ...