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Void fill and support techniques to stabilize drift excavated through a transition zone mined by a T
[期刊论文] 作者：Johnson Josh,Jacobs Curt,Ferster Mark,Tadolini Stephen,,
来源：International Journal of Mining Science and Technology 年份：2017
Stillwater Mining Company is the only U.S. producer of platinum group metals(PGMs) and the largest producer outside of South Africa and Russia. The company cont...
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