集装箱回风温度下降分析：货物未预冷或预冷不充分

From 02:21 on February 22nd when the container was powered on, the return air temperature of the container slowly decreased from 23.6 degrees Celsius until it reached 15 degrees Celsius at 00:00 on the 24th. This indicates that the goods were not pre-cooled or were not adequately pre-cooled before being loaded into the container.