What are the characteristics of shaft layout in non coal mines?
What are the characteristics of shaft layout in non coal mines?
发布时间：2025-10-11 19:27:00
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由 题搜搜 官方老师解答 )
答案：【计分规则】: Generally, the shaft does not pass through the ore body, and is arranged outside the movement range of footwall, hanging wall or flanking rock stratum, and no safety pillar is left. Auxiliary shaft can be distributed. Air shaft layout is mostly diagonal.
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