弄清伤亡事故发生的原因,是正确提出防范措施,减少事故重复发生的重要环节。多年来,在左的思想影响下,特别是十年动乱期间,对某些重大伤亡事故往往不能实事求是地用科学的方法找出本质原因。例如,1970年某铜矿井下药库火灾爆炸死伤多人,经调查分析和模拟实验证明,该事故的 To understand the causes of casualty accidents is to correctly put forward preventive measures to reduce the recurrence of an important part of the accident. Over the years, under the influence of the leftist ideology, especially during the ten-year turmoil, it is often not possible to find out the essential causes in a scientific way for some major casualties. For example, in 1970, a copper mine underground mine fire and explosion more than dead and injured, after investigation and simulation experiments show that the accident