一场塌陷事故,将4名建筑工人埋在了地下管沟里。70多位救援人员拼搏了8个小时,终于救活了3名工人。他们用智慧和毅力证明,只要齐心协力、不怕困难,就能战胜哪怕最严重的险情。 A collapse accident buried four construction workers in underground ditches. More than 70 rescue workers worked hard for eight hours and finally saved three workers. They prove with wisdom and perseverance that they can overcome even the most serious danger as long as they work together and are not afraid of difficulties.