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保安矿柱
释义
保安矿柱
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工学
回采预留矿柱
释
safety pillar
保安矿柱
为保护地表重要设施、地貌和主要井巷,避免其因井下开采影响而产生破坏,或分隔含水层及破碎带、矿段或矿块等目的而留设不采或暂时不采的部分矿体。
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precise statement
precise time and time interval
precise traversing
precise trigonometric leveling
Precision
precision
precision agriculture
precision airdrop system
precision alloys
precision analog photon address
precision analysis method of exploratory profile
precision and recall curve
precision annealing
precision approach radar
precision approach radar system
precision at N document level
precision between laboratory
precision casting
precision catalogue
precision coating
precision diagnosis
precision electrical resistance alloys
precision electroforming
precision employing pesticide
precision engineering survey
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