介绍了制作高档牛二层细绒鞋面革生产工艺中的几道关键工序。

The key manufacture technologies of top grade fine suede cattle upper split leather were introduced.

youdao

介绍了制作高档牛二层细绒鞋面革生产工艺中的几道关键工序。

The key manufacture technologies of top grade fine suede cattle upper split leather were introduced.

youdao