煤用重选设备工艺性能评定方法
Performance evaluation for coal gravity separating equipment

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Coal — Density separation equipment for coal — Performance evaluation
煤.煤的密度分离设备.性能评估

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煤用重选设备分选下限评定方法（1）
Method for evaluating the lower limit of gravity separation for coal cleaning equipment (I)

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评定煤用筛分设备工艺性能的计算机算法
Coal sizing equipment-performance evaluation-Computer algorithm

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