楼主: lemon2000
|
GB/T 6414-2017 铸件 尺寸公差、几何公差与机械加工余量 |
发表于 2019-1-29
|
显示全部楼层
| ||
Archiver|手机版|小黑屋|标准网 ( 浙ICP备19005909号 )
GMT+8, 2024-11-21 20:18 , Processed in 0.085544 second(s), 28 queries .
Powered by Discuz! X3.4
© 2001-2023 Discuz! Team.