维持运营准备就绪的费用和设备（分别是工业用车辆）的运行费用之和。运营成本包括实际折旧，估算利息费用，能源成本，维护成本，人员成本，保险成本等。

        Sum of costs for maintaining operational readiness and the costs for the operation of equipment respectively industrial trucks. The operating costs comprise the physical depreciation, imputed interest charges, energy costs, maintenance costs, personnel costs, insurance costs, etc.