论文部分内容阅读
2005年5月17日10点30分,贵昆铁路沾益至昆明段增建二线站前工程3号隧道出现险情,正在洞内施工的12名工人生死不明
At 10:30 on May 17, 2005, No. 2 tunnel in Zhanyi section of Kunming-Kunming section of Second Kunming-Kunming-Kunming Expressway was threatened. Twelve workers under construction in the tunnel died or died