知识贝壳
知识贝壳
所属栏目：英汉烟草科技
Description and purpose of componentsThe typical blended cigarette in the United States is a filter cigaretteof 85mm or 100mm total length with a diameter of about 8 mm. On an85mm cigarette,the cellulose acetate tow filter usually constitutes 20～25mm of t ......（本文共 5514 字 , 2 张图） [阅读本文] >>