diào / chá / rén / yuán / cóng / shī / shì / fēi / jī / de / fēi / xíng / jì / lù / qì / zhōng / zhǎo / dào / le / zhòng / yào / xiàn / suǒ调查人员从失事飞机的飞行记录器中找到了重要线索。Investigators found important clues in the crashed aircraft's flight recorder.