货车修造的“三化”应引起重视钱德胜蔡兵山（北京铁路局驻石家庄南车辆段验收室０５００２１石家庄）为方便车辆检修，不断提高车辆的质量，保证行车安全，５０年代铁道部有关部门就提出：车辆及配件产品要实行“三化”。即产品质量标准化、品种规格系列化、零部件通用化... Construction of the truck “three of the” should pay attention to Qian Desheng Cai Bingshan (Beijing Railway Bureau Shijiazhuang South Vehicle Depot Acceptance Room 050021 Shijiazhuang) In order to facilitate vehicle maintenance, and constantly improve the quality of vehicles to ensure traffic safety, the Ministry of Railways in the 1950s Department proposed: vehicles and accessories products to implement “three.” That is, product quality standardization, variety specifications series, spare parts universal ...