柳州南站是广西最大的铁路货运枢纽站，每天有上万车辆在此集结、编组、出发。为保障春节期间物流需求，工作人员要利用“天窗修”对信号打风设备开展检修维护工作。这个春运，柳州驼峰信号车间柳州打风工区工长叶昇要和他最年轻的徒弟欧阳文豪一起完成整个站场的打风设备排查工作。
作者：黄凯莹 陆君旖 文毅 陈欢
新华社音视频部制作
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