6054| 4
|
[国家标准] GB_50470-2008_油气输送管道线路工程抗震技术规范_(附条文说明) |
| ||
|关于我们|网站地图|油气储运网 ( 鲁ICP备11007657号-3 )
GMT+8, 2025-1-22 20:55 , Processed in 0.026561 second(s), 15 queries , Gzip On, MemCached On.
Powered by Discuz! X3.5
Copyright © 2001-2023, Tencent Cloud.