164559| 444
|
《螺旋锥齿轮设计与加工》曾韬著 |
评分 | ||
| ||
| ||
好东东。谢谢了
| ||
| ||
| ||
|小黑屋|手机版|Archiver|齿轮论坛 www.gearbbs.com
GMT+8, 2025-7-1 10:33 , Processed in 0.228458 second(s), 13 queries , MemCache On.
Powered by Discuz! X3.4 Licensed
© 2001-2023 Discuz! Team.