1800| 0
|
JB/T 1308.17-1999 PN250a 异径管型式、尺寸和技术条件 |
| ||
手机版|小黑屋|机械村 ( 渝ICP备17010994号-1|渝公网安备50022702001048号 )
GMT+8, 2024-11-24 00:59 , Processed in 0.012873 second(s), 3 queries , Gzip On, Redis On.
Powered by 机械村
Copyright © 2012- Jixiecun.com