coal pillar meaning in Chinese
煤柱
Examples
- Practice of maximizing resource recovery of coal pillar
煤柱资源回收最大化实践 - Analysis of parameters of coal pillar in bulianta mine
补连塔井田区段煤柱参数分析 - Mining method under coal pillar in close distance coal seam
近距离煤层煤柱下的开采方法 - Fold catastrophe model of rockburst in narrow coal pillar
狭窄煤柱冲击地压的折迭突变模型 - Determination for coal pillar size in comprehensive mining roadway
综采巷道煤柱尺寸的确定