5290| 13
|
加工這個孔,怎樣保證光潔度,不磨損O型環! |
| ||
| ||
| ||
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, 2025-8-10 14:40 , Processed in 0.081166 second(s), 20 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.