所屬欄目:制革專業(yè)英語
6.1 The Concept of Wet White Process The wet white process was first recommended as long ago as the early 1980’s. Since its initial introduction to the leather industry a number of chemical companies have developed materials for use as wet white pretannin ......(本文共 8620 字 , 4 張圖) [閱讀本文] >>