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露天矿预裂爆破
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露天矿预裂爆破
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露天矿爆破
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presplitting blasting of open pit
露天矿预裂爆破
在正式爆破开挖之前,预先沿露天矿最终边坡轮廓线爆破出一条一定宽度的裂缝,以达到保护保留区岩体的目的的爆破技术。
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