7879| 28
|
弯曲应力 |
| ||
| ||
| ||
| ||
点评
这个现成的公式,马上回去看下就知道怎么算了
| ||
| ||
| ||
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, 2024-11-17 06:23 , Processed in 0.059319 second(s), 19 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.