... hot-air, dedusting, ventilation and computer-controlled system, this machine features simple outlook, rational structure, high efficiency, energy saving, ... and electric operation system. Bouncedby the aprons, the uncoated tablets keep roaming irregularly in the drum. Pressuresupplied by the ... firm,dense and smooth film on the surfaces of the tablets .(The duckbill fans can beset at blowing and sucking ...