|
13723| 10
|
[基础件] 材质Q235螺丝需要承受200吨的拉力,最小直径多大? |
| ||
| ||
|
| |
|
| |
| ||
| ||
| ||
手机版|小黑屋|机械村
( 渝ICP备17010994号-1|
渝公网安备50022702001048号 )
GMT+8, 2025-11-3 04:15 , Processed in 0.025954 second(s), 18 queries , Gzip On, Redis On.
Powered by 机械村
Copyright © 2012- Jixiecun.com