7957| 44
|
弧齿锥齿轮和准双曲面齿轮——啮合原理、齿坯设计、加工 |
评分 | ||
| ||
| ||
| ||
| ||
| ||
|小黑屋|手机版|Archiver|齿轮论坛 www.gearbbs.com
GMT+8, 2025-7-1 15:16 , Processed in 1.515168 second(s), 17 queries , MemCache On.
Powered by Discuz! X3.4 Licensed
© 2001-2023 Discuz! Team.