1) gathering raise
集合放矿天井
2) exploratory raise
探矿天井
3) orepass
放矿溜井
1.
The performance of orepasses has direct influence on the operational efficiency of a mine as a whole and its economic results.
放矿溜井放矿能力的好坏,直接影响着整个矿山的生产效率及经济效益。
4) Pass drawing
溜井放矿
5) oxygen collection for courtyard
天井集氧
6) waste raise
放废石天井
补充资料：探矿
1.勘探矿藏。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条