基于FLAC 数值模拟的某钨矿缓倾斜矿体采场矿柱稳定性研究

基于FLAC 数值模拟的某钨矿缓倾斜矿体采场矿柱稳定性研究

82 Pages · 2017 · 13.24 MB · Chinese
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“ Don’t grieve. Anything you lose comes round in another form. ” ― Rumi
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