English translation for "room-and-pillar working"

房柱式开采法

Related Translations:

pillar method:  柱式采矿法柱式开采法

pillar stiffener:  支撑柱

coral pillar:  珊瑚柱

pillar operation:  矿柱工作煤柱工作

bringback pillar:  回采煤柱

built pillar:  组合桩

hollow pillar:  空心支柱管柱空心柱

sun pillar:  日柱

granite pillar:  花岗石柱

draw pillars:  回收矿柱

Similar Words：

"room with good ventilation" English translation, "room with shower" English translation, "room-and-pillar caving" English translation, "room-and-pillar mining" English translation, "room-and-pillar structure" English translation, "room-cleaning" English translation, "room-curing room" English translation, "room-dry" English translation, "room-light loading" English translation, "room-monitor" English translation