节点：上游（原材料/资源端）位置：上游情绪：中性参考度：2/10
淮北矿业集团铁运处铁路运输装备历经三代迭代，从蒸汽机车到东风4型内燃机车，再到2025年12月投用的FXN3C型内燃机车，实现动力、环保、智能维度的质效提升。FXN3C型机车以交流传动技术为核心，具备4400匹马力、120公里最高时速，适配重载货运需求；搭载27个传感器的智能系统可实时监测运行参数、远程诊断故障，推动运维从经验驱动转向数据驱动，油耗与排放同步达标，契合“双Ǣ..
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