7683| 9
|
请问铝型材的承重如何计算 |
| ||
点评
抗拉强度,屈服强度,上面都有,你还要啥?还要别人帮你计算完,你只对比答案?
| ||
| ||
| ||
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, 2024-11-25 00:33 , Processed in 0.056674 second(s), 19 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.