货车D型轴箱橡胶防尘板于1979年通过部级鉴定,并全面推广装车运用已有两年多了,为了掌握运用检修情况,及时解决存在的问题,1982年4月和7月间,我们先、后到西安、郑州、徐州、济南、铁石、本溪、哈尔滨、永安鹰谭、南昌等车辆段,上海、南昌、沈阳、哈尔滨等铁路局,西安、沈阳、哈尔滨等工厂共17个单位进行调查走访。 随后会同青岛橡胶制品厂,对橡胶防尘板的耐碱性做了必要的补充试验,现将调查 D-type truck rubber truck dust truck in 1979 through ministerial identification, and comprehensively promote the use of loading has been more than two years, in order to master the use of overhaul, timely solution to existing problems in April 1982 and July , We first and later to Xi’an, Zhengzhou, Xuzhou, Jinan, Rock, Benxi, Harbin, Wing On Eagle Tan, Nanchang and other depots, Shanghai, Nanchang, Shenyang, Harbin Railway Bureau, Xi’an, Shenyang, Harbin and other plants a total of 17 Unit to investigate and interview. Subsequently with the Qingdao Rubber Products Factory, the rubber dustproof alkaline resistance made the necessary supplementary test, will now investigate