楼主: 只要一杯咖啡
|
钢板焊接的一个正方形密闭容器,要承受40吨的压力,得多厚的钢板才能满足? |
| ||
| ||
| ||
| ||
| ||
| ||
| ||
小黑屋|手机版|Archiver|机械必威体育网址 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
GMT+8, 2024-11-11 13:22 , Processed in 0.053072 second(s), 14 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.