... Carambola (star fruit), Butter Fruit, Muskmelon etc.Vegetables: Onion, Carrot, Sweet potato, Potato, Pumpkin, Okra, Balsam pear, Taro, Lotus ... , etc. Structure and work principle:It consists of vacuum fryer, vacuum system, oil-filing and heating system and electric control ... unit. The vacuum system consists of water ejector, centrifugal pump, pipeline and ...