所屬欄目:英漢煙草科技
CasingThe solutions used contain mainly sugar and a humectant,both dissolved in water. The sugar helps overcome bitterness in the smoke andmakes it smoother. The humectant,usually glycerine or a higher glycol,serves to keep the tobacco moist and less sens ......(本文共 2893 字 ) [閱讀本文] >>