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room-and-pillar mining with subsequent backfill
释义
room-and-pillar mining with subsequent backfill
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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RE containing aluminum alloy
re-contamination
recontamination
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reconversion
recooling
record
recordability
record a demerit
record and review system
record and statistic of accident from International Labour Organization
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