这个春运，他们要为400多辆火车“体检”

Core Insights - The article highlights the critical role of train maintenance in ensuring safety and punctuality during the Spring Festival travel rush in China, focusing on the work of Gu Haitao, a skilled technician at the Qiqihar North Vehicle Depot [2][10] Group 1: Role and Responsibilities - Gu Haitao leads a team of 45, including 12 recent university graduates, responsible for inspecting and maintaining 430 passenger trains during the Spring Festival [2] - The maintenance process involves using tools like a long-handled inspection hammer to detect issues through sound, showcasing the importance of auditory skills in identifying potential hazards [3][4] Group 2: Training and Mentorship - Gu Haitao emphasizes hands-on training for new employees, allowing them to observe and participate in critical maintenance tasks to build their skills and knowledge [5][6] - He employs a systematic approach to task management, using color-coded electronic spreadsheets to prioritize maintenance tasks, ensuring that the entire team is aware of critical issues [3][5] Group 3: Challenges in Maintenance - The maintenance work is physically demanding, requiring technicians to work in confined spaces and under challenging conditions, which tests their endurance and attention to detail [4][5] - Technicians must be vigilant in identifying subtle signs of wear and tear, such as rust or loose bolts, which can lead to significant safety risks if overlooked [4][5] Group 4: Evolution of the Industry - The article reflects on the advancements in China's railway system, noting the shift towards domestic production of key components, which has improved operational efficiency and reduced reliance on foreign suppliers [10] - Gu Haitao's experience over decades illustrates the transformation of the railway industry, highlighting the progress made in technology and maintenance practices [10]