所屬欄目:制革專業(yè)英語
Chrome leathers are dyed either discontinuously in drums or continuously on the machines(through-feed dyeing,spray dyeing or dyeing by roller coating). When they are dyed in drums,it is usually carried out during the processes of retanning and fatliquroin ......(本文共 11845 字 , 1 張圖) [閱讀本文] >>