【春运进行时】 光明日报记者 张文攀 光明日报通讯员 冯雅茹 寒冷的凌晨，星海湖畔的包银高铁线路上，原本沉寂的铁轨旁，骤然亮起数道强光。2月7日，兰州铁路 局银川电务段石嘴山高铁信号工区的8名青年职工，趁着"天窗"时间开展设备检修养护作业。 凌晨1点，室外气温低至零下15摄氏度，寒风裹挟着凉意扑面而来。工长胡楠带着平均年龄30岁的检修 队伍，戴着头灯、手持工具，穿梭在铁轨与设备间。"每一处细节都得盯紧！"胡楠的动员声格外响亮。 作业过程中，安全与质量始终是重中之重。每完成一处检修，胡楠都会对操作部位进行反复核查，还用 手电筒仔细扫描作业区域，确认工具、仪表、物料无一遗留，才带队前往下一个作业点。 240分钟的"天窗"时间对于全神贯注的检修队员来说转瞬即逝。当天边泛起鱼肚白，星海湖上霞光初 现，检修任务也顺利收官。这个寒夜，这支青年队伍完成了1组5台道岔转辙机的检修维护，以及16个区 段的检查测试。 登上工程车返程时，大家搓着冻得僵硬的双手，你一言我一语地聊着。"真想赶紧来碗热馄饨，暖手又 暖胃！""我要吃几个热气腾腾的大包子！"一夜的疲惫被冲淡了不少。 《光明日报》（2026年02月09日 10版） [ 责编 ...

Core Viewpoint - The article highlights the dedication and meticulous work of a signal maintenance technician in the Hangzhou Metro, emphasizing the importance of safety and precision in the maintenance of railway systems during extreme weather conditions [2][3][4] Group 1: Technician's Role and Responsibilities - The technician, Liao Haoqiang, has been working in the Hangzhou Metro for nearly 7 years, performing routine inspections on switch machines during non-peak hours to ensure operational efficiency [2] - The switch machine is described as the "heart" of the track switch, guiding trains from one track to another, which underscores the critical nature of the technician's work [2] - The technician conducts a thorough inspection of the switch machine, which includes checking automatic openers, safety contacts, and cable boxes, highlighting the complexity and precision required in the job [3] Group 2: Working Conditions and Challenges - The technician faces challenging working conditions, including high temperatures and restrictions on food and drink during inspections, which emphasizes the demanding nature of the job [3] - The inspection process requires attention to detail, with specific parameters that must be adhered to, as even minor errors can lead to significant safety risks [3] - After completing the inspection, the technician expresses relief and satisfaction, reflecting a strong commitment to the job and the importance of maintaining safety standards in public transportation [4] Group 3: Commitment to the Profession - The technician's dedication is evident in his statement about loving his work and the importance of performing well in every equipment inspection, showcasing a strong work ethic [4] - The article conveys a sense of pride in the role of maintenance technicians in ensuring the safety and reliability of the metro system, which is vital for the city of Hangzhou [4]