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14. General concept of leaf quality
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14. General concept of leaf quality圖片(共2張) :
14. General concept of leaf quality

        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 張圖)     [閱讀本文] >>

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