央视网消息：2月19日是大年初三，当家家户户沉浸在新春的团圆喜庆中时，还有一些人在岗位上坚守。从守卫祖国边疆的民警， 到保障出行的交通人，再到大山深处的守电人，他们用奉献诠释责任，保障万家祥和安宁。 上海：日均检修70组"动车医生"守护回家路 春节假期，上海动车段虹桥动车所迎来春运高峰，日均检修动车组超过70组。作为华东地区规模最大、数智化水平最高的动车 所，"动车医生"坚守岗位，通宵达旦检修维护，平均每人要在40分钟内完成动车组上百个核心部件的检查，确保每一列动车安全上 线，载着旅客平安回家。 陕西宝鸡：秦岭深处 电力工人守护光明 春节是万家团圆的日子，在位于陕西宝鸡的秦岭山脉深处，电力工人踏着未消的残雪，正在进行山区线路的巡视工作。这里的线路 不仅有连接陕西、四川两地的超高压线路，也有为中国第一条电气化铁路——宝成铁路供电的线路，还负责为凤县地区9个镇8万多 人提供可靠供电。一代代电力工人坚守在这里，巡视一基铁塔走一个来回就需要半天时间。登塔作业和地面作业完全不同，一个看 似简单的动作都需要耗费大量体力。 江苏镇江：游园求职两相宜 新春招聘年味足 在江苏镇江的热门景区里，浓浓的年味与就业的暖意相融。当地人 ...

Group 1 - The article highlights the commitment of the Xi'an Railway Bureau Group Co., Ltd. to ensure passenger safety and smooth travel during the Lunar New Year by maintaining the operation of high-speed trains [2]

Core Insights - The article highlights the operational efficiency and high passenger volume at Chengdu East Railway Station during the Spring Festival travel season, with 149 million passengers recorded in the previous year, making it the second busiest station in China [1][2]. Group 1: Passenger Flow and Operations - Chengdu East Railway Station is expected to handle approximately 245,000 passengers daily during the Spring Festival, equivalent to the population of a small county [1]. - The station's control room, described as the "nerve center," manages an average of 750 train dispatches daily, with peak times requiring the dispatch of 6 trains per minute [5]. - The station's design allows for a high volume of passengers, with a waiting area of 36,000 square meters accommodating up to 30,000 people per hour during peak times [5]. Group 2: Lost and Found Services - The station has introduced a self-service machine for retrieving lost identification cards, significantly reducing the retrieval time from 3 minutes to 30 seconds [10]. - On average, the lost and found department processes over 74,000 items annually, with peak periods seeing up to 500 items lost in a single day, including more than 100 identification cards [10]. Group 3: Maintenance and Safety - The Chengdu train maintenance depot, referred to as the "land aircraft carrier," conducts thorough inspections of trains after they return from service, ensuring safety and reliability for future journeys [11]. - Maintenance staff perform detailed checks on each train, with one technician walking over 30,000 steps in a night shift to ensure all components are secure and functioning [15]. - The maintenance process includes data recording and analysis to identify any anomalies, contributing to a comprehensive safety protocol [13].

Group 1 - The article discusses the maintenance of high-speed trains in Nantong, Jiangsu Province, highlighting the importance of regular inspections and repairs to ensure safety and efficiency [2][3][4] - It emphasizes the role of advanced technology and skilled personnel in the maintenance process, which contributes to the overall reliability of the train services [5][6] Group 2 - The maintenance activities are part of a broader initiative to enhance the operational capabilities of the railway network in Jiangsu, aiming to improve passenger experience and service quality [2][4] - The article notes that the maintenance schedule is designed to minimize disruptions to train services, ensuring that the high-speed rail system remains efficient and effective [3][5]