English translation for "drawing-back of pillars"

后退式回采矿柱

Related Translations:

draw pillars:  回收矿柱

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

Similar Words：

"drawing worker" English translation, "drawing zone" English translation, "drawing(dwg)" English translation, "drawing-annealing set" English translation, "drawing-back" English translation, "drawing-compass" English translation, "drawing-down" English translation, "drawing-heat treating" English translation, "drawing-id" English translation, "drawing-in" English translation