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    发布日期: 2024-02-24
  • 语言: 其他
  • 标签: 行业研究  

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This paper presents the use of a computer method of the ventilation process simulation for the analysis of the flow distribution of air and gases in the area of wall mining work and the adjacent goaf.In workings and goaf,the complex issue of the formation of a gaseous atmosphere under variable venti

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