... no-discoloration,no deterioration, and no oxidation, thorough drying, after drying and rehydration, less loss of nutrients, the long ... , lack phase protection, overloading protection, high pressure protection and low pressure protection etc.9.Nice design, small dimension. ... & situation : 2012 tobacco drying machine Air to air,Air source heat pump dryer,drying machine heat pump dryer,Heat recovery dryer ...