gathering raise

基本解释集合放矿天井

网络释义

1)gathering raise,集合放矿天井2)exploratory raise,探矿天井3)orepass,放矿溜井4)Pass drawing,溜井放矿5)oxygen collection for courtyard,天井集氧6)waste raise,放废石天井

用法和例句

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。

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