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本文从统计国内外各类不同采矿方法700多例出发,提出分类新方案,并从其比重变化入手,探讨了采矿方法的发展趋向。
Based on the statistics of more than 700 different kinds of mining methods at home and abroad, this paper proposes a new classification scheme and starts with the change of its proportion, and explores the development trend of mining methods.