(28.56701.236.7261.7285.7435)
染料-染料是能够使一定颜色附着在纤维上的物质,且不易脱落、变色。染料通常溶于水中,一部份的染料需要媒染剂使染料能黏着于纤维上。考古资料显示,染色技术于印度和中东已有超过五千年历史。当时的染料从动植物或矿物质-ranliao</br> generated by yvsou girl
group status
👤 group joined: 0 ⏳ group pending: 0 🚫 group blocked: 0
ALL
> Institution and enterprise
> company
> Enterprise classification
>
>
>
(28.56701.236.7261.7285.7435)





