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分段矿房采矿法
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分段矿房采矿法
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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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high salt wastewater
high saturation induction soft magnetic alloy
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High School Diversification 300 Policy
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High Screen Creek Bridge accident
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high sour nature gas
high speed automatic rotating eddy current test system for metal
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