398| 0
|
听朋友说气凝胶毡是非常好的保温隔热材料,我们是一家电厂,急需要这种材料,我想看看 |
数字互联网
发表于 2014-8-20 15:34:53
|阅读模式
| ||
|Archiver|手机版|小黑屋|风管行业门户网 ( 沪ICP备17011661号-3 )
GMT+8, 2024-11-25 03:38 , Processed in 0.068904 second(s), 19 queries .
Powered by Discuz! X3.5
© 2001-2024 Discuz! Team.