8261| 13
|
在直徑3毫米的不銹鋼上,打一個2.1毫米的孔,哪種方法最快 |
| ||
| ||
| ||
| ||
| ||
| ||
| ||
| ||
Archiver|手機版|小黑屋|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網(wǎng)安備33038202004372號 )
GMT+8, 2025-8-28 23:57 , Processed in 0.066239 second(s), 15 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.