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["批量导入访客模板"]
["访客单位（必填）","访客姓名（必填）","访客证件号（必填）","访客手机号（必填）","访客车牌号","被访人姓名（必填）","被访人工号（必填）","被访人部门（必填）","访问开始日期（必填）","访问结束日期（必填）","健康信息（非填项）","失败原因（非填项）"]
[{"$nulls":5},"可不填","可不填","可不填","可不填","可不填","可不填"]

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{"sheet":"Sheet3","index":2,"n_rows":0,"n_cols":0,"rows_kept":0,"flags":["formulas_cached_only"]}