|
2001| 3
|
[机械JB] JB/TQ724《螺旋板换热器制造技术条件》 |
JBT4751-2003 螺旋板式换热器---这个需要吗?
| ||
闭关者|手机版|© 2005-2026|Cncad.Net ( 苏ICP备2026083443号 )|网站地图
GMT+8, 2026-11-4 05:50 , Processed in 0.281097 second(s), 32 queries .
Powered by Discuz! X5.0
© 2001-2026 Discuz! Team.