4. Expanded tobaccos
工業(yè)科技

4. Expanded tobaccos圖片（共2張） :

        To increase the filling power of tobacco,processes have been developed that consist of impregnating tobacco with volatile materials and thenrapidly removing them. The almost explosive removal of the impregnantexpands the cellular structure of the leaf,giv......（本文共 1005 字, 2 張圖）     [閱讀本文] >>