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分段空场嗣后充填采矿法
释义
分段空场嗣后充填采矿法
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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unoriented cobordant manifold
unoriented cobordism
unoriented cobordism class
unoriented cobordism group
unoriented graph
unoriented string
UNP
unpaired
unpaired electron
unpaired nucleon
unparticle physics
un-permissible size of confine number reeling
unperturbed
unperturbed dimension
unperturbed end to end distance
unperturbed end-to-end distance
unperturbed equation
unperturbed motion
unperturbed operator
unperturbed orbit
unperturbed problem
unphysical particle
unphysiological forgetting
unpliable
unpliancy
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