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装备物资的流通需要公路、铁路、航空等基础设施来共同协助完成,而这些基础设施往往需要形成一个统一的整体才能保障装备物资流通的顺利进行。
The circulation of equipment and materials needs the help of infrastructure such as roads, railways and aviation to help accomplish them. These infrastructure often need to form a unified whole to ensure the smooth flow of equipment and materials.