分层开采底分层大断面切眼对棚支护技术

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李嘉峰, 刘长武, 刘德峰, 蒋源

Application of Double Joist Steel Shed Support Technology in Large Section Open-off Cut of the Lower Slice

LI Jia-Feng, LIU Chang-Wu, LIU De-Feng, JIANG Yuan

金属矿山 . 2016, (06): 55 -58 .