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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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Patriotic Lady's Seminary and Patriotic Study Society
Patriotic Soul
patriotism
patristics
Patrizi
patroclinal inheritance
Patroclus
Patroclus group
patrogenesis
patrol agent
patrol camera
patrol communicator
patrol device
patrol gauging equipment for hydrometry
patrol inspection and monitoring of oil and gas pipelines
patrol management system
Patrologia Graeca
Patrologia Latina
patrol opera performance
patrol point
patrol service
patrol setting
patrol survey
patrol to monitor
patromorph
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