2518| 12
|
[求助] 寻找低表面张力的聚酯树脂或有机硅改性聚酯 |
20普通分
| ||
| ||
| ||
| ||
| ||
| ||
| ||
| ||
| ||
| ||
| ||
| ||
| ||
|联系我们|Archiver|手机版|小黑屋|联众涂料网 ( 沪ICP备11020344号-1 )
GMT+8, 2024-5-20 18:44 , Processed in 0.087201 second(s), 26 queries .
Powered by Discuz! X3.1
© 2001-2013 Comsenz Inc.