|
8324| 0
|
[行业标准] SY/T 0327-2003 石油天然气钢质管道对接环焊缝全自动超声波检测 |
| ||
|关于我们|网站地图|油气储运网
( 鲁ICP备11007657号-3 )
GMT+8, 2025-4-2 15:16 , Processed in 0.022990 second(s), 17 queries , Gzip On, MemCached On.
Powered by Discuz! X3.5
Copyright © 2001-2023, Tencent Cloud.
发表于 2011-12-24 10:12:04
