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| 钻孔的炮孔密集系数钻孔间距与钻孔最小抵抗线之比,决定着炸药在岩体中的分布效率。由于炮孔的起爆顺序不同，爆破时炮孔密集系数可能变化很大。参见 tration coefficient of hole | |||
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