English translation for "pillar of coal"

煤柱

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

Example Sentences:

1.

This method uses pillars of coal to hold up the mine ' s roof 这种方法使用煤柱支撑矿井的顶部。

Similar Words：

"pillar method" English translation, "pillar method of stoping" English translation, "pillar method of working" English translation, "pillar mining" English translation, "pillar of autumn" English translation, "pillar of diamond" English translation, "pillar of diaphragm" English translation, "pillar of external abdominal ring" English translation, "pillar of fire" English translation, "pillar of ground" English translation