“保安矿柱”的概念、定义、翻译、参考文献-科学参考

单词	保安矿柱
释义	保安矿柱 Encyclopedia 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。
随便看	extremal length with weight extremally disconnected extremally disconnected compactum extremally disconnected space extremal manifold extremal mapping extremal measure extremal metric extremal monomorphism extremal of a function extremal of a functional extremal orbit extremal order statistic extremal point extremal point theorem extremal polynomial extremal principle extremal problem extremal problem of thermodynamics extremal process extremal property extremal quadrature formula extremal quasi-conformal mapping extremal quotient extremal ray

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