... be dry evenly. 3.Easy to maintenace Explanation:1. The hot source can be s team, electricity, far infrared, or ... oven. Raw material can be evenly dried. The hot source can be steam, hot water, electricity or far infrared. 4. The ... raw material, Chinese traditional medicine, tablet of drink, immersed electuary, powder, granule, packing bottle, pigment, dyestuff, dehydration vegetable, dried fruit ...