English translation for "煤柱放顶线"

pillar line
pillarline

Similar Words：

"煤中镓的测定方法" English translation, "煤种" English translation, "煤柱" English translation, "煤柱爆破" English translation, "煤柱边的采落部分" English translation, "煤柱分隔回采法" English translation, "煤柱回采钻眼" English translation, "煤柱回收" English translation, "煤柱回头" English translation, "煤柱间的平巷" English translation