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工程兵某部三连在一次坑道掘进中,由于电雷管误爆,导致炮孔内炸药爆炸,现场承担爆破任务的3名战士中,2人牺牲,1人受重伤。事故发生后,部队有关部门组织了一个专门的调查组,对发生事故的现场和原因进行了调查分析。发生事故的当天,三连的作业面共打了28个炮孔,每孔内装1只即发电雷管和一定数量的硝铵炸药。电爆网路是将炮孔内的电雷管分成若干组做串并联连接,每2只电雷管脚线间的连接线使用普通的20号铁丝(下
One of the three Corps of Engineering Corps in a tunnel excavation, the electric detonator mistakenly burst, leading to blasting explosives within the hole, the scene to undertake the task of blasting three soldiers, two people were killed and one seriously injured. After the accident, relevant departments of the armed forces organized a special investigation team to conduct a survey and analysis of the scene and causes of the accident. On the day of the accident, a total of 28 blast holes were drilled in San Lian’s work area, one for each hole, and a certain amount of ammonium nitrate explosives. Electric burst network is the blast hole of the electric detonator is divided into several groups to do series and parallel connection, every two electric detonation pinch cable between ordinary 20 wire