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敞车下侧门门折页开焊分析及改进成顺喜（郑州铁路局宝鸡车辆段７２１０００宝鸡）敞车在货车组成中数量最多，约占４６万辆货车总数的６０％左右，主要车型有Ｃ６１、Ｃ６５、Ｃ６２、Ｃ６２Ａ、Ｃ６２Ａ（Ｎ）、Ｃ６２Ｂ、Ｃ６３、Ｃ６４等。这些敞车在运用中下侧门门折...
Analysis and improvement of the opening and welding of the gondolas at the lower side of the gondola Chengshuxi (Baoji depot of the Zhengzhou Railway Bureau 721,000 Baoji) The number of gondola cars is the largest in the composition of trucks, accounting for about 60% of the total number of 460,000 trucks. The main models are C61 and C65 , C62, C62A, C62A (N), C62B, C63, C64 and the like. These gondolas in the use of the lower side door fold ...