36404| 61
|
GB/T 6414-2017 铸件 尺寸公差、几何公差与机械加工余量 |
发表于 2018-2-3 07:43:59
|
显示全部楼层
| ||
Archiver|手机版|小黑屋|标准网 ( 浙ICP备19005909号 )
GMT+8, 2024-4-25 16:37 , Processed in 0.065073 second(s), 33 queries .
Powered by Discuz! X3.4
© 2001-2023 Discuz! Team.