6222| 0
|
[15油罐及管道强度设计-第七章-第二讲]储罐对基础的设计要求-石油大学课堂视频 |
|关于我们|网站地图|油气储运网 ( 鲁ICP备11007657号-3 )
GMT+8, 2024-12-4 01:34 , Processed in 0.051505 second(s), 15 queries , Gzip On, MemCached On.
Powered by Discuz! X3.5
Copyright © 2001-2023, Tencent Cloud.