为早日实现餐车的“三化”(即“冷藏电气化、做饭蒸汽化、炉灶液体燃料化”),各种设备的研制及加装改造工作正在各有关单位积极进行。济南局青岛分局巳经在青岛——北京直快列车(139/140次)上实现了餐车“三化”。餐车上装用浦镇工厂生产的蒸饭器。蒸饭器、茶炉和餐灶均采用四方车辆研究所研制的以轻 In order to realize the “three changes” (that is, “refrigerating electrification, cooking steaming and liquid fueling of cooking stoves”) of the dining car at an early date, the development, installation and retrofitting of various equipment are being actively carried out by all relevant agencies. Jinan Branch Qingdao Branch has already implemented the “three changes” on the Qingdao-Beijing Express Express (139/140 times). Dining car with Puzhen factory production of rice steamer. Steamed rice, stoves and stoves are developed by the Sifang Vehicle Institute to light