Lesson 5 Dyeing methods

There are many dyeing methods to microfiber. It can be divided into jig dyeing,overflowdyeing and airflow dyeing according to the equipments. Basing on the process it is divided intohigh-temperature and high-pressure method,and low-temperature and normal- ......      (共17166字)     [閱讀本文]>>



更多同類【工業科技】......
有在线黄片视频|天天操天天操天天操|日韩A片精品视频大全|外国一级免费大毛片