columnar ore shoot

• 矿柱

columnar ore shoot的用法和样例：

例句

1. Ore pillars are fasic units forming this deposit,the occurrence of which are coincident with the two sets of structure lines.
   矿柱是组成该类矿床的基本单元，其产状与两组构造的交线产状基本一致。
2. In open stopes the ground above the stope will support its own weight.So the stope is shaped like a series of rooms divided by walls or supported by pillars of ore.
   空场回采工作面利用采场上方的岩层支撑自身的重量，所以采场被切割成一系列的由矿壁分隔或用矿柱支撑的峒室。