本文通过理论计算和实际分析表明，井下爆破空气冲击波对爆破网路有着较大的破坏作用。

In this Paper, the theoretical calculation and Practical analysis Showthat the blasting network Systems are broken by blasting Shock Wave.

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分析了煤矿井下爆破串联丢炮的原因，提出了一些办法和措施，对预防串联丢炮有一定的作用。

Factors of influencing commercial electric detonator to misfire in series in coal mining are analysed and measures are put forward in this paper.

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综合分析了煤矿井下爆破作业中产生拒爆的主要原因，并根据《煤矿安全规程》和《爆破安全规程》提出了预防拒爆的措施以及正确处理拒爆的办法。

The misfire causes in coal mine blasting are analyzed. Based on the "coal mine safety regulation" and "blasting safety regulations", the preventing and handling measures are put forward.

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