求翻译：1、发生一次3人及以上亡人或一次3人及以上重伤事故，发生较大责任火灾、爆炸事故及设备、车辆等财产损失事故，发生因违章施工危及铁路行车安全险性以上事故，发生员工集体急性中毒事故，由集团公司组成事故调查组配合有关部门到现场进行调查处理。是什么意思？

1, the occurrence of death and over a 3 or a 3 or more serious injuries, there is a greater responsibility for fire, explosion and equipment, vehicles and other property damage accident occurred due to illegal construction risks of endangering safety of the railway for more than an accident, occurre

正在翻译，请等待...

1st, has one time 3 people and above perishes the human or a time 3 person of and above severely wounded accident, has big property damage accidents and so on responsibility fire, explosion accident and equipment, vehicles, because occurs violates regulations to construct endangers above the railroa

正在翻译，请等待...

1, the occurrence of death and over a 3 or a 3 or more serious injuries, there is a greater responsibility for fire, explosion and equipment, vehicles and other property damage accident occurred due to illegal construction risks of endangering safety of the railway for more than an accident, occurre