根据国家经委1985—1987年三年技术进步计划和国家科委“七五”重点科技攻关项目及铁道部科研计划,由浦镇车辆工厂负责研制的新型25.5米空调客车,在四方车辆研究所、铁道部科学研究院、上海铁道学院、西南交通大学等单位的协作下,于7月底试制完成第一辆硬 According to the three-year technical progress plan of the State Economic Commission from 1985 to 1987 and the key scientific and technological project of the Seventh Five-Year Plan of the State Science and Technology Commission and the scientific research plan of the Ministry of Railways, the new 25.5-meter air-conditioned passenger vehicle developed by Puzhen Vehicle Factory, Ministry of Railways, Academy of Sciences, Shanghai Railway Institute, Southwest Jiaotong University and other units in collaboration with the trial by the end of July completed the first hard