7648| 16
|
如何在高速鋼上鉆孔 |
點評
大后角的鉆頭,等于退火了。
| ||
| ||
| ||
| ||
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, 2025-8-5 14:32 , Processed in 0.070256 second(s), 15 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.