“safety pillar”的概念、定义、翻译、参考文献-科学参考

单词	safety pillar
释义	safety pillar 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	explosion-proof wall explosion-resistant explosion-safe explosion safety assessment explosion safety/protection explosions in air explosion suppression explosion time explosion turbine explosion venting explosion wave explosive explosive cavity effects explosive compaction explosive compatibility explosive consolidation explosive cutter explosive cyclone over ocean explosive deafness explosive detector explosive era explosive fire fight explosive flare explosive forming explosive fragmentation

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