The temperature in the solution cave is between 145~166℃.The difference of temperature is only 21℃.The relative humidity of the first period is between 86.43%~91.31%.The concentration of CO2 in the cave is between 0.2%~0.9%.The concentration of O2 is between 20.1%~20.8%.The condition in the cave is suitable for orange storage.The results of the experiment show that ,after storage 120 days,the total losses is 162%~ 736%, the total soluble solid is between 890%~11.20%.The result of the experiment is better than the require...