184| 0
|
双层不锈钢烟囱DN400外层为304 1.0mm,内层316 2.0mm ,保温层为100mm硅酸铝盐,请问大 |
数字互联网
发表于 2015-11-10 15:39:08
|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 12:46 , Processed in 0.067214 second(s), 18 queries .
Powered by Discuz! X3.5
© 2001-2024 Discuz! Team.