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| 迟爆事故的原因主要有以下几点: 1. 电雷管受潮变质，起爆力不足，雷管起爆后未能引爆炸药。 2. 炸药感度较低，雷管起爆后炸药燃烧，隔一段时间又转为爆炸。 3. 火雷管起爆发生事故的原因主要是导火索速燃、爆燃而引起早爆及缓燃、阻燃而引起的迟爆 | |||
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