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为减少设备费用及缩短深矿井竖井筒的延深时间,克里沃罗格矿业学院“矿井建设”教研室和列宁矿的技术人员共同提出了井筒延深用的新装备系统。从1050米水平延深至1200米水平的净直
In order to reduce the equipment cost and shorten the deepening time of shaft mines in deep mines, the “mine construction” teaching and research department of Kerry Voronog Mining Institute and the technicians of Lenin Mine put forward a new equipment system for wellbore extension. Net straight down from 1050 meters to 1200 meters