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["立体不坍塌","防水防潮","大容量"]
["大容量","尼龙布耐磨实用","双肩背包出行更方便"]
["大容量","可搭配行李箱","分区设计，收纳合理"]
["大容量","性价比高","涤纶材质结实耐用"]
["牛皮材质结实耐用","合金自动扣扣头使用方便","不同规格尺寸满足不同人群需求"]
["二层牛皮配超纤","材质细腻结实耐用","多色选择多种背带方式"]
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