知识贝壳
知识贝壳
所属栏目：合成革专业英语
The coating agents used in dry process of synthetic leather are materials which can form firmbonding and continuous film on the surface of release paper or bases. It mainly consists of filmforming substance,colorant and solvent which are mixed together at ......（本文共 34583 字 ） [阅读本文] >>