摘 要: | 1 Limitations of current evaluation index system of coal mine equipment While the operating mechanism of coal enter-prise changes, the equipment management’s state isimproved constantly. But the enterprises’ equipmentmanagement developed unevenly, presenting a trendof polarization. Some listing coal enterprises that havegood mechanism and bent on making progress reformand innovate constantly. They have formed the man-agement mode of equipment with their own charac-teristics. But the effect …
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