留煤柱的英语翻译
“留煤柱”对应的英文单词有:coal pillars ,一共1个,具体意思及用法如下:
coal pillars留煤柱
与留煤柱相关的短语
煤柱留设leaving coal pillar
留大煤柱开采法[矿业] long-pillar working
长壁留煤柱支撑法longwall remaining coal pillars support
“留煤柱”对应的英文单词有:coal pillars ,一共1个,具体意思及用法如下:
coal pillars留煤柱
煤柱留设leaving coal pillar
留大煤柱开采法[矿业] long-pillar working
长壁留煤柱支撑法longwall remaining coal pillars support