楼主: 笔尖上_AYDjE
|
求推荐一本详细介绍机加工艺的书 |
| ||
| ||
小黑屋|手机版|Archiver|机械社区 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
GMT+8, 2024-12-28 22:28 , Processed in 0.049691 second(s), 13 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.