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单词
stage open stoping with subsequent backfill
释义
stage open stoping with subsequent backfill
Encyclopedia
工学
分段充填采矿法
释
stage open stoping with subsequent backfill
阶段空场嗣后充填采矿法
用阶段空场法回采矿房或矿柱,并用充填料一次性充填采空区支撑围岩,为间柱或周围采场的回采创造条件的采矿方法。
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Taniyama Yutaka (1927—1958)
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tank
tanka
tankage
tank appurtenances
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tank bottom
tank breathing exhaust
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