冰箱是餐车主要设备之一。长期以来,国内客车的餐车均依靠人造冰贮藏各种餐料。这样,不仅要耗用大量的人造冰,而且夏季餐料容易变质,影响客运服务质量,所以,将餐车冰箱改为电冰箱,是促使车辆向现代化过渡的一项技术措施。根据客运工作 Refrigerator is one of the main equipment dining car. For a long time, the domestic bus dining car rely on artificial ice storage of various meals. In this way, it is not only necessary to consume a large amount of artificial ice, but also the meals in the summer are likely to deteriorate and affect the quality of passenger service. Therefore, replacing the dining-car refrigerator with the refrigerator is a technical measure to facilitate the transition of vehicles to the modern. According to passenger work