safety ore pillar的意思|示意
安全矿柱
safety ore pillar的网络常见释义
安全矿柱 ... 安全煤柱：safe coal pillar 安全矿柱：safety ore pillar 安全技术组织：safety organization ...
safety ore pillar相关短语
1、 safety factor of ore pillar 关键词矿柱安全系数
safety ore pillar相关例句
It is proved that the occurrence of roof caving and ore pillar fracturing is rapidly decreased, and the whole safety of mining stop is significantly improved.
现场实践证明，采场顶板发生冒落、矿柱出现开裂或片帮等现象急剧减少，采场整体稳定性得到显著提高。