陈师傅在建筑工地施工时,由于鞋带没有系紧,结果在二层楼的脚手架上被绊倒,碰巧他所跌到的位置安全网接头处没有连接合缝,他没有被安全网拦挡住而直接甩下一楼地面,虽没有生命危险,却造成了严重的脑震荡。这起事故看起来有两个巧合,一是陈师傅的鞋带如果系紧 When Master Chen was working on a construction site, he was tripped over on a two-storey scaffolding when he did not fasten the shoelace. It happened that he fell to a position where there was no connection between the safety net joints and he was not blocked by the safety net Throwing directly to the ground floor of the first floor, though not life-threatening, has caused serious concussion. This accident seems to have two coincidences, first, Chen master lace if fasten