English translation for "room and pillar system"

房柱法

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 and board; board and lodging" English translation, "room and pillar" English translation, "room and pillar method" English translation, "room and pillar mining" English translation, "room and pillar structure" English translation, "room and space" English translation, "room antenna" English translation, "room appliances" English translation, "room area" English translation, "room at the top" English translation