暑运期间，旅客列车严重超员，最大超员量超过lbo％。在相对封闭的车厢内，餐车的供石及食品供应是长途旅客必须解决的首要问题，也是关系广大旅客身体驻摩的重要因素。为方便旅客，大部分列车已由原来的定时开餐改为随时开餐，或采取自助餐的形式，随时满足就召人员的需求。为 During the summer transport, passenger train serious overcrowding, the largest over-the-staff over lbo%. In a relatively closed compartment, the provision of stoneware for food trucks and the supply of food are the most important issues that long-distance travelers must address. They are also an important factor in the relationship between the passengers and their inhabitants. For the convenience of passengers, most of the trains have switched from regular scheduled meals to ready meals or take the form of a buffet to meet the demand of on-call staff at any time. for