如果不采矿柱矿山经济效益将急剧滑坡。
If the jamb - mine isn't exploited, the economic benefit will go down rapidly.
这一技术叫矿柱回采。
矿柱的稳定性是影响矿山生产安全的重要因素。
The stability of pillars is a very important factor to mining safety.
对类似开采条件矿山的矿柱回采具有一定的借鉴意义。
It can give a certain reference for exploiting to the mine with similar mining conditions.
对类似开采条件矿山的矿柱回采具有一定的借鉴意义。
It can give a certain reference for exploiting to the mine with similar mining conditions.
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