|
7114| 0
|
[外国标准] API 600-2009 Steel gate valves-flanged_and_butt_welded_ends_,_bolted_bonnet |
| ||
|关于我们|网站地图|油气储运网
( 鲁ICP备11007657号-3 )
GMT+8, 2025-4-3 14:51 , Processed in 0.021226 second(s), 14 queries , Gzip On, MemCached On.
Powered by Discuz! X3.5
Copyright © 2001-2023, Tencent Cloud.
发表于 2020-8-3 14:46:53
