矿石工业指标确定的正确与否,是关系到能否充分利用矿物资源的重要问题。实践证明,矿石工业指标应根据不同企业或同一企业不同时期生产技术条件的变化而变化。我国铝土矿资源比较丰富,但往往没有按资源评价原则确定其最低工业指标,这就势必 The correctness of the ore industry’s indicators is an important issue that concerns whether the mineral resources can be fully utilized. Practice has proved that the ore industry indicators should be based on different enterprises or the same enterprise in different periods of production technology conditions change. China is rich in bauxite resources, but often not in accordance with the principle of resource assessment to determine the minimum industrial indicators, which is bound to