30744| 48
|
彈簧鋼的彈性模量 剪切模量 泊松比(求助) |
| ||
| ||
Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
GMT+8, 2025-7-16 16:49 , Processed in 0.073209 second(s), 16 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.