Based on the stress analysis of filling body, it was pointed out that reducing the destructive function of blasting on the filling body is one of the technical keys in ore pillar extraction.

通过对充填体受力分析，指出减小爆破对充填体的破坏作用是矿柱回采的技术关键之一。

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Based on the stress analysis of filling body, it was pointed out that reducing the destructive function of blasting on the filling body is one of the technical keys in ore pillar extraction.

通过对充填体受力分析，指出减小爆破对充填体的破坏作用是矿柱回采的技术关键之一。

youdao