【单选题】---Where is Lucy?---She's not here now. She ____ to the supermarket.
【简答题】降速干燥阶段又称为 控制阶段,此阶段内干燥速率不断 ,物料表面的温度不断 。
【单选题】Where is the Lucy now? 查看材料
C.
In the Ethiopia National Museum.
D.
In a secret storeroom.
【简答题】降速干燥阶段又称为____,其干燥速率的大小取决于____,与外部的干燥条件关系不大。