3554| 2
|
埋地输气管道不均匀沉降下的应力计算 |
3金币
| ||
|关于我们|网站地图|油气储运网 ( ICP11007657-3 )
GMT+8, 2024-5-12 18:39 , Processed in 0.031475 second(s), 12 queries , Gzip On, MemCached On.
Powered by Discuz! X3.5
Copyright © 2001-2023, Tencent Cloud.