知识贝壳
知识贝壳
所属栏目：英汉烟草科技
Tobacco quality represents a balance of essential properties in aproduct which meets the preference of a special group of consumers at agiven time and location. Quality therefore may be considered as desirability or usability. Many essential chemical and ......（本文共 4955 字 , 2 张图） [阅读本文] >>