知识贝壳
知识贝壳
所属栏目：合成革专业英语
Fibers are mainly used to manufacture nonwoven fabrics which constitute the backbone ofleather. Conventional chemical fibers include polyester and nylon fibers. The main reason is theyhave excellent flexibility,abrasion resistance,fatigue resistance and s ......（本文共 8524 字 ） [阅读本文] >>