thong so ky thuat dien ap 220 v cong suat 1000w dung tich thung chua 30 l luu luong khi 90l s can nang 12 kg day dien 7m duong kinh ong hut 36mm chuc nang hut kho hut nuoc va cac bui ban cong nghiep phu tung ban hut bui hut nuoc dau choi tron dau hut goc