国内外冷藏保温汽车发展概况1.国外冷藏保温汽车的发展概况欧美国家较早采用冷藏法来保持易腐食品的新鲜度,并逐步建立起食品冷藏链。20世纪初,就开始生产冷藏运输工具。第二次世界大战前,铁路运输在易腐货物运输中占主要地位;20世纪50—60年代冷藏保温汽车和冷藏船舶发展较快; Overview of domestic and international development of refrigerated vehicles 1. Development of foreign refrigerated vehicles Overview Europe and the United States earlier use of refrigeration to maintain the perishability of fresh foods, and gradually establish a food cold chain. The beginning of the 20th century, began producing refrigerated transport. Prior to the Second World War, rail transport dominated perishable goods transport; the refrigerated insulated vehicles and refrigerated ships developed rapidly in the 1950s and 1960s;