1737| 2
|
GB/Z 18620.3-2008 圆柱齿轮 检验实施规范 第3部分: 齿轮... |
| |||||||||||||||||||||||||||
相关帖子 |
|||||||||||||||||||||||||||
点评
没有重,一个是GB/Z 18620.3,另一个是GB/Z 18620.4
| ||
GMT+8, 2025-5-2 04:57 , Processed in 1.655279 second(s), 14 queries , MemCache On.
Powered by Discuz! X3.4 Licensed
© 2001-2023 Discuz! Team.