在北京市燕京铁厂的墙外,有个电石灰渣坑,上面盖着一块铁植。有人说这电石灰渣和白灰的性质差不多,能用于墙壁抹灰,所以附近居民常有人来掏。有一天,就在灰渣坑旁发现了一具被烧得焦头烂额的尸体。尸体旁有辆手推车和一把铁锹。 事故调查组的同志们来到现场进行调查。只见这灰 Outside the wall of Yanjing Ironworks in Beijing, there is a calcium carbide ash pit covered with an iron planter. Some people say that the nature of limestone and lime are similar, can be used for the wall plastering, so people often nearby residents to dig. One day, a burnt-out corpse was found near the ash pit. Beside the body there is a trolley and a shovel. Comrades from accident investigation team came to the scene to investigate. I saw this gray