樓主: 只要一杯咖啡
|
鋼板焊接的一個(gè)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(diǎn)評(píng)
怎么分析?有沒有合適的書推薦?
| ||
| ||
| ||
| ||
| ||
| ||
| ||
| ||
小黑屋|手機(jī)版|Archiver|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1,京ICP證050210號(hào),浙公網(wǎng)安備33038202004372號(hào) )
GMT+8, 2024-11-18 20:19 , Processed in 0.059455 second(s), 18 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.