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sublevel open stoping with subsequent backfill
释义
sublevel open stoping with subsequent backfill
Encyclopedia
工学
分段充填采矿法
释
sublevel open stoping with subsequent backfill
分段空场嗣后充填采矿法
用分段空场法回采矿房或矿柱,待阶段回采完毕,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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invariant boundary
invariant central manifold
invariant circle
invariant class of groups
invariant complement
invariant component
invariant cone
invariant continuation
invariant curve
invariant decision function
invariant decision problem
invariant decision procedure
invariant decomposition
invariant definition
invariant delta-function
invariant density
invariant derivative
invariant differential
invariant differential equation
invariant differential form
invariant differential operator
invariant dimension property
invariant distance
invariant distribution
invariant divisor
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