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["产品编码","仓库","仓位","退货单价","退货数量"]
["必填\n1、作为产品唯一性的判断依据\n2、如果产品编码已存在，则不会导入此行","必填\n请输入系统中已经存在的仓库名称\n例如：默认仓库","必填\n请输入系统中已经存在的仓位名称\n例如：默认仓位","可以为空\n支持两位小数\n0~999999","必填\n整数\n0~N≤库存数量"]