我国铁路现有运输易腐货物的车辆统称保温车,车种基本型号为汉语拼音字母“B”,按其不同结构有冰冷和机械冷藏两种类型。在部标准《客货车车型和车号》制订过程中,曾对保温车的车种名称进行过一些探讨。在标准起草征求意见过程中,各工厂、路局、车辆段对保温车的车种名称和基本型号都没有提出异议,只提出了车种基本型号 The existing railway vehicles carrying perishable goods in our country are collectively referred to as insulation vehicles. The basic type of vehicle is the Chinese phonetic letter “B”, and there are two types of refrigerated and mechanical refrigerated vehicles according to their different structures. In the ministerial standard “vans models and license plate number” in the development process, had a number of models of insulation cars had some discussion. In the process of standard drafting and soliciting opinions, all factories, road bureaus and depots did not raise any objections to the name and basic models of insulation vehicles, and only proposed the basic models of vehicles