The workers were in the hole, ... They heard some popping sounds and they came out. They don't know if they affected the electrical service or if the electrical service went sour for some other reason.
工人们在洞里，……他们听到一些爆裂声就出来了。他们不知道他们是否影响了电力系统，或者电力系统是否因为其他原因坏了。