1944| 0
|
T/CAS 452-2020 Technical specification for inertial positioning of 3D trajectory of underground pipeline |
| ||
Archiver|手机版|小黑屋|标准网 ( 浙ICP备19005909号 )
GMT+8, 2025-5-2 12:49 , Processed in 0.061974 second(s), 34 queries .
Powered by Discuz! X3.4
© 2001-2023 Discuz! Team.