![]() |
鋼板焊接的一個正方形密閉容器,要承受40噸的壓力,得多厚的鋼板才能滿足? |
點評
怎么分析?有沒有合適的書推薦?
| ||
| ||
| ||
| ||
| ||
| ||
| ||
| ||
| ||
Archiver|手機版|小黑屋|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
GMT+8, 2025-7-9 07:11 , Processed in 0.057133 second(s), 14 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.