4534| 12
|
液氮加工 求科普 |
| ||
點評
一冷一熱 刀具不會發(fā)生冷脆嗎?
| ||
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(wǎng)安備33038202004372號 )
GMT+8, 2025-2-15 17:21 , Processed in 0.053110 second(s), 15 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.