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房柱采矿嗣后充填法
释义
房柱采矿嗣后充填法
Encyclopedia
工学
充填采矿法
释
room-and-pillar mining with subsequent backfill
房柱采矿嗣后充填法
用房柱法进行矿石回采,并用充填料一次性充填采空区以支撑围岩,为间柱或周围采场的回采创造条件的采矿方法。
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degree of a divisor
degree of a divisor class
degree of a field
degree of a field extension
degree of a form
degree of a graph
degree of a group
degree of a Lie group
degree of a mapping
degree of ambiguity
degree of an algebra
degree of an algebraic curve
degree of an algebraic equation
degree of an algebraic surface
degree of an algebraic variety
degree of an angle
degree of an equation
degree of an extension
degree of an operator
degree of a permutation group
degree of a point
degree of a polynomial
degree of approximation
degree of a prime ideal
degree of a primitive element
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