{"text_format":"3","workbook":"xlsx","n_sheets":1,"sheets":["Sheet1"],"read":"whole","date_system":"1900"}

{"sheet":"Sheet1","index":0,"n_rows":3,"n_cols":9,"rows_kept":3,"merged":[[0,0,0,8],[1,0,1,2]]}
["2025年质量管理体系文件问题排查清单"]
["单位盖章：",{"$nulls":5},"单位负责人签字："]
["序号","文件编制单位","层级","文件名称","文件编号","当前版次","排查发现的主要问题","编制人\n（更新后）","拟完成更新时间（日期格式，例2025/9/30)"]