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目前,评价露天采矿设备使用效率的指标很多,大致可将其合并为六类(表1)。分析铲装设备使用效率的现有指标表明,第1类经济指标由于设备本身、电力、材料等市场价格波动最近将大幅度变化。
Currently, there are many indicators for evaluating the efficiency of surface mining equipment, which can be roughly grouped into six categories (Table 1). The existing indicators for analyzing the efficiency of shovel equipment show that the economic indicators of the first category will have greatly changed recently due to the fluctuation of market prices such as the equipment itself, electricity and materials.