单词串串记

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