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引言经济评价考虑到本文是向国际读者发表,首先说明,确定矿床及其开发工程价值的经济标准可能是恰当的。矿床开发可能性的依据是基建投资的收益。本文讨论的采矿工艺是根据西方企业制度和政府有关劳动、安全及环境
Introduction Economic Evaluation Considering that this article is being published for international readers, first of all it may be appropriate to state the economic criteria for determining the value of the deposit and its development. The possibility of deposit development is based on the proceeds from capital investment. This article discusses the mining process is based on the Western business system and the government about labor, safety and environment