12563| 4
|
[32油罐及管道强度设计-第十章-第七讲]常用补偿器的设计计算-石油大学视频 |
|关于我们|网站地图|油气储运网 ( 鲁ICP备11007657号-3 )
GMT+8, 2024-11-27 21:01 , Processed in 0.052530 second(s), 14 queries , Gzip On, MemCached On.
Powered by Discuz! X3.5
Copyright © 2001-2023, Tencent Cloud.