|
7589| 0
|
[国家标准] GB 3215-82 炼厂 化工及石油化工流程用离心泵通用技术条件 |
|
| |
|关于我们|网站地图|油气储运网
( 鲁ICP备11007657号-3 )
GMT+8, 2024-12-22 17:27 , Processed in 0.023378 second(s), 13 queries , Gzip On, MemCached On.
Powered by Discuz! X3.5
Copyright © 2001-2023, Tencent Cloud.
发表于 2013-8-28 18:53:48
