4991| 1
|
求助:精密鑄銅的收縮率是多少, 水玻璃鑄造,謝謝 |
Re: 求助:精密鑄銅的收縮率是多少, 水玻璃鑄造,謝謝
| ||
Archiver|手機版|小黑屋|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, 2025-7-6 12:17 , Processed in 0.058253 second(s), 14 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.