| 
 11120| 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 )
|关于我们|网站地图|油气储运网
( 鲁ICP备11007657号-3 )
GMT+8, 2025-10-31 14:09 , Processed in 0.025354 second(s), 16 queries , Gzip On, MemCached On.
Powered by Discuz! X3.5
Copyright © 2001-2023, Tencent Cloud.