奥特加与他的堵袋防护袜曾国平编译一个８人修理组在丹佛天然气管道上已经工作了１６个小时了，离完工还有最后一步。他们得把一个气球状粗帆布袋从１６英寸口径的总管道里取出来，它是为了工作时堵住天然气而事先填塞进去的。“下面的快点干！”４３岁的组长丹·奥特加不... Ortega and his bag blocking socks Zeng Guoping compiled an 8-man repair team in Denver gas pipeline has been working for 16 hours, and from the completion of the final step. They had to remove a balloon canvas from a 16-inch main pipe, which was prefilled to plug natural gas during work. “Hurry up!” 43-year-old leader Dan Otega does not ...