知識貝殼
知識貝殼
所屬欄目：合成革專業(yè)英語
A thin layer of surface treating agent is coated on finished leather,which can improve theappearance,handle,color,pattern and mechanical properties of surface,such as lusterintensification and extinction. The purpose is to make the products meet the requi ......（本文共 11239 字 ） [閱讀本文] >>