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采场矿柱
释义
采场矿柱
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回采预留矿柱
释
stope pillar
采场矿柱
为保护采场巷道,隔离已采空区,支撑采区范围的上部覆岩荷载,控制地压,确保采矿作业安全,在开采中留下的部分矿体。
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passenger airplane
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reality show
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residual assignment principle
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