知识贝壳
知识贝壳
所属栏目：合成革专业英语
On the following pages we will outline the items that indicate the properties of syntheticleather. These chemical and physical properties can be determined or measured.(1) The water resistanceIt mainly is used to measure the degree of water resistance of ......（本文共 3038 字 ） [阅读本文] >>