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４Ｐ６５型行包快运棚车概况４．１研制概况１９９８年６月，科技司对齐厂研制的４Ｄ轴大容积通用棚车（项目编号为９３Ｊ０６）组织了技术审查。在评审意见中，专家建议改进车门结构，并特别指出应按当前货车提速要求采用新型转向架。在中车公司支持下，齐厂作出积极响应...
4P65-type parcel Express box car overview 4.1 Development Overview June 1998, the Department of Science and Technology aligned factory developed 4D-axis large-volume Universal Box (Item No. 93J06) organized a technical review. In the review comments, experts suggested improving the structure of the door, and in particular pointed out that the new bogie should be adopted as required by the current truck speed. In the car company’s support, Qi factory to make a positive response ...