3553| 5
|
一軸局部要滲碳,其它地方不能有碳滲入,用什么辦法保證其它部位不滲碳呢? |
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, 2025-7-21 06:11 , Processed in 0.078110 second(s), 20 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.