2885| 2
|
Gr12材料淬火后開裂,怎么能查出原因 |
| ||
小黑屋|手機(jī)版|Archiver|機(jī)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, 2025-3-1 17:19 , Processed in 0.076187 second(s), 14 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.