铁路客车是一个大的工程。从1953年起到现在28年来,我国共投资15亿元新造了各型客车13400辆。又耗资近10亿元对这些客车进行了日常的维护和修理。由于设计上的经验不足和工艺上比较落后,新造客车投入运行后很快出现腐蚀现象。厂修时,修程越来越大。近年来,客车的修理能力已经不能 Railway passenger car is a big project. From 1953 to the present 28 years, China has invested a total of 1.5 billion yuan to build a total of 13,400 passenger cars of various types. At a cost of nearly 1 billion yuan, these buses were routinely maintained and repaired. Due to the lack of experience in design and the backward technology, the corrosion of the newly built passenger car soon after it was put into operation. Factory repair, repair more and more. In recent years, the ability to repair buses has been unable