1240| 0
|
图纸中尺寸上方标注“B11/B2 BF”是什么意思? |
|关于我们|sitemap|小黑屋|Archiver|手机版|UG网-UG技术论坛-青华数控模具培训学校 ( 粤ICP备15108561号 )
GMT+8, 2024-11-15 15:15 , Processed in 0.046691 second(s), 20 queries .
Powered by Discuz! X3.5 Licensed
© 2001-2024 Discuz! Team.