27654| 5
|
GB6403.3 直紋滾花M:0.2 或P=0.5-0.6是什么意思? |
| ||
| ||
| ||
Archiver|手機(jī)版|小黑屋|機(jī)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, 2025-8-4 03:06 , Processed in 0.066048 second(s), 14 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.