3352| 2
|
純鐵的熔點高還是高溫合金的熔點高? |
| ||
| ||
| ||
小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,,浙公網安備33038202004372號 )
GMT+8, 2025-2-13 03:32 , Processed in 0.045353 second(s), 13 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.