2968| 3
|
有什么合金或者金屬材料能經常耐300度的高溫而不變形? |
| ||
| ||
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, 2025-7-20 22:25 , Processed in 0.060089 second(s), 14 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.