11917| 14
|
[专业课程] 关于直管段计算壁厚的公式应用 |
| ||
发表于 2017-5-20 00:27:33
|
显示全部楼层
| ||
| ||
发表于 2017-5-23 01:50:15
|
显示全部楼层
| ||
|关于我们|网站地图|油气储运网 ( 鲁ICP备11007657号-3 )
GMT+8, 2024-11-25 21:40 , Processed in 0.037852 second(s), 16 queries , Gzip On, MemCached On.
Powered by Discuz! X3.5
Copyright © 2001-2023, Tencent Cloud.