如果冷冻室和干燥室分开时，干燥室不需绝热，不会有很多的热损失，故热能的利用很经济。

If a freezing chamber and a drying chamber is separated from the drying chamber, without insulation, there are not a lot of heat loss, so the utilization of heat energy economy.

youdao

如果冷冻室和干燥室分开时，干燥室不需绝热，不会有很多的热损失，故热能的利用很经济。

If a freezing chamber and a drying chamber is separated from the drying chamber, without insulation, there are not a lot of heat loss, so the utilization of heat energy economy.

youdao