![]() |
“螺栓問題滑絲脫落問題”爭論的焦點 |
| ||
點評
還涉及不到溫度變化,。且,溫變不一定形成拉力,,
| ||
小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,,京ICP證050210號,,浙公網(wǎng)安備33038202004372號 )
GMT+8, 2025-2-14 03:57 , Processed in 0.054660 second(s), 15 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.