欢迎光临

我们一直在努力

本文主要研究了残次山羊皮制造绒面服装革工艺。

日期: 来源:雅诚德英语网

Some processes of the faulty grain goatskin to manufacture suede garment leather were studied.

本文主要研究了残次山羊皮制造绒面服装革工艺。

句子推荐