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sublevel stoping mining method
释义
sublevel stoping mining method
Encyclopedia
工学
空场采矿法
释
sublevel stoping mining method
分段矿房采矿法
沿垂直方向将矿块划分为若干分段,每个分段划分为若干矿房和矿柱,各分段采下的矿石分别从该分段的出矿巷道运出,分段矿房回采结束后,可立即回采本分段的矿柱并同时处理采空区的采矿方法。
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testing for PEG-recombinant human interferon
testing for PEGylated recombinant human granulocyte colony-stimulating factor
testing for PEGylated recombinant human growth hormone
testing for physico-chemical properties of cement
testing for recombinant bovine basic fibroblast growth factor
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更新时间:2026/6/14 21:39:53