{"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":15,"n_cols":5,"rows_kept":15,"flags":["formulas_cached_only"]}
["                   泡沫混凝土配合比设计表          "]
[" 设计要求                                                                         "]
["序号","名称","级数","容重","强度"]
[1,"泡沫混凝土","B05","500kg/m3","0.8Mp"]
[2,"矿渣硅酸盐水泥",32.5]
[3,"粉煤灰",2]
[4,"YT发泡剂","特级"]
[5,"韩国进口发泡剂","特级"]
["主要材料配比参数                            "]
[1,2,3,4,5]
["水泥","             300kg"]
["粉煤灰",null,"   200kg"]
["发泡剂",null,null,"       4kg"]
["水",{"$nulls":3},"     500kg"]
["2010-04-09"]

{"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"]}