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铁道部车辆局、物资局于1988年9月14日至16日在兰州铁路局召开了“外瓦背高磷闸瓦推广工作”会议。会议主要议程是:(1)制造、使用部门介绍情况;(2)将1989年推广计划交大会讨论;(3)对当前原材的供应以及价格问题的讨论。目前铁道部推广的闸瓦是外瓦背高磷闸瓦,该闸瓦1985年因制造质量等原因出现反
The Ministry of Railways Vehicle Bureau and the Materials Bureau held a meeting on promoting the outer tile with high phosphorous brake shoe at the Lanzhou Railway Administration from September 14 to September 16, 1988. The main agenda of the conference is: (1) introduction of manufacturing and using departments; (2) discussion of the 1989 promotion plan to the General Assembly; (3) discussion of the current supply of raw materials and price issues. At present, the brake shoe promoted by the Ministry of Railways is an outer tile with high phosphorus brake shoe. The brake shoe appeared in 1985 due to manufacturing quality and other reasons