{"text_format":"3","workbook":"xls","n_sheets":3,"sheets":["Sheet1","Sheet2","Sheet3"],"read":"whole","date_system":"1900","formulas":"cached_only"}

{"sheet":"Sheet1","index":0,"n_rows":1,"n_cols":13,"rows_kept":1,"flags":["formulas_cached_only"]}
["危险源代码","危险源类型        （能源资源类/污染类）","环境类型","分项工程/活动点","环境因素","A值","B值","C值","D值","E值","F值","G值","安全措施"]

{"sheet":"Sheet2","index":1,"n_rows":0,"n_cols":0,"rows_kept":0,"flags":["formulas_cached_only"]}

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