3138| 5
|
軸承精度等級為什么是06542,而不是12345? 是怎么來的? |
| ||
| |
| ||
小黑屋|手機版|Archiver|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, 2024-11-17 05:53 , Processed in 0.057190 second(s), 22 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.