该机工作原理是利用蒸气或电加热器加热空气，然后由加热的空气对物料进行循环干燥。

Its work principle is that used steam or electric heating air, then made a cycling dry with heated air.

youdao

该机工作原理是利用蒸气或电加热器加热空气，然后由加热的空气对物料进行循环干燥。

Its work principle is that used steam or electric heating air, then made a cycling dry with heated air.

youdao