8128| 26
|
受力情况如图所示。我们这还是凭经验做,领导说用50角钢,我感觉很悬 |
发表于 2022-4-26 17:11:23
|
显示全部楼层
| ||
小黑屋|手机版|Archiver|机械社区 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
GMT+8, 2024-11-27 11:49 , Processed in 0.059925 second(s), 19 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.