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

Example Sentences:

1.

Drawing back of pillars 后退式回采矿柱

Similar Words：

"drawing arm" English translation, "drawing asian games mural" English translation, "drawing attention" English translation, "drawing axis of crystal" English translation, "drawing back" English translation, "drawing bar" English translation, "drawing base" English translation, "drawing batch" English translation, "drawing bench" English translation, "drawing block" English translation