3121| 2
|
絲錐方身與攻絲套筒的方身,是怎樣的配合?有標準規定嗎? |
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, 2025-9-8 08:25 , Processed in 0.098223 second(s), 22 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.